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Statistical hypothesis test

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1079:, a colleague of Fisher, claimed to be able to tell whether the tea or the milk was added first to a cup. Fisher proposed to give her eight cups, four of each variety, in random order. One could then ask what the probability was for her getting the number she got correct, but just by chance. The null hypothesis was that the Lady had no such ability. The test statistic was a simple count of the number of successes in selecting the 4 cups. The critical region was the single case of 4 successes of 4 possible based on a conventional probability criterion (< 5%). A pattern of 4 successes corresponds to 1 out of 70 possible combinations (p≈ 1.4%). Fisher asserted that no alternative hypothesis was (ever) required. The lady correctly identified every cup, which would be considered a statistically significant result. 816: 4856:"The emphasis given to formal tests of significance throughout Statistical Methods ... has caused scientific research workers to pay undue attention to the results of the tests of significance they perform on their data, particularly data derived from experiments, and too little to the estimates of the magnitude of the effects they are investigating." ... "The emphasis on tests of significance and the consideration of the results of each experiment in isolation, have had the unfortunate consequence that scientific workers have often regarded the execution of a test of significance on an experiment as the ultimate objective." 258:; Mathematicians have generalized and refined the theory for decades). Fisher thought that it was not applicable to scientific research because often, during the course of the experiment, it is discovered that the initial assumptions about the null hypothesis are questionable due to unexpected sources of error. He believed that the use of rigid reject/accept decisions based on models formulated before data is collected was incompatible with this common scenario faced by scientists and attempts to apply this method to scientific research would lead to mass confusion. 8101: 2503: 422:
aspects of statistical inference) that persisted among instructors. While the problem was addressed more than a decade ago, and calls for educational reform continue, students still graduate from statistics classes holding fundamental misconceptions about hypothesis testing. Ideas for improving the teaching of hypothesis testing include encouraging students to search for statistical errors in published papers, teaching the history of statistics and emphasizing the controversy in a generally dry subject.
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restrictive parametric assumptions, but rather on empirical approximate methods with asymptotic guarantees. Traditional parametric hypothesis tests are more computationally efficient but make stronger structural assumptions. In situations where computing the probability of the test statistic under the null hypothesis is hard or impossible (due to perhaps inconvenience or lack of knowledge of the underlying distribution), the bootstrap offers a viable method for statistical inference.
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thinking clearly about problems involving mass data, as well as the effective reporting of trends and inferences from said data, but caution that writers for a broad public should have a solid understanding of the field in order to use the terms and concepts correctly. An introductory college statistics class places much emphasis on hypothesis testing – perhaps half of the course. Such fields as literature and divinity now include findings based on statistical analysis (see the
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cancel out completely, the chance of finding statistical significance in either direction approaches 100%. However, this absurd assumption that the mean difference between two groups cannot be zero implies that the data cannot be independent and identically distributed (i.i.d.) because the expected difference between any two subgroups of i.i.d. random variates is zero; therefore, the i.i.d. assumption is also absurd.
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radioactive sources. The hypotheses become 0,1,2,3... grains of radioactive sand. There is little distinction between none or some radiation (Fisher) and 0 grains of radioactive sand versus all of the alternatives (Neyman–Pearson). The major Neyman–Pearson paper of 1933 also considered composite hypotheses (ones whose distribution includes an unknown parameter). An example proved the optimality of the (Student's)
9285: 8113: 4559:"Until we go through the accounts of testing hypotheses, separating decision elements from conclusion elements, the intimate mixture of disparate elements will be a continual source of confusion." ... "There is a place for both "doing one's best" and "saying only what is certain," but it is important to know, in each instance, both which one is being done, and which one ought to be done." 284:, for example, still uses the Neyman/Pearson formulation). Great conceptual differences and many caveats in addition to those mentioned above were ignored. Neyman and Pearson provided the stronger terminology, the more rigorous mathematics and the more consistent philosophy, but the subject taught today in introductory statistics has more similarities with Fisher's method than theirs. 668:. For example, Lehmann (1992) in a review of the fundamental paper by Neyman and Pearson (1933) says: "Nevertheless, despite their shortcomings, the new paradigm formulated in the 1933 paper, and the many developments carried out within its framework continue to play a central role in both the theory and practice of statistics and can be expected to do so in the foreseeable future". 2356:) has been created to publish such results exclusively. Textbooks have added some cautions, and increased coverage of the tools necessary to estimate the size of the sample required to produce significant results. Few major organizations have abandoned use of significance tests although some have discussed doing so. For instance, in 2023, the editors of the 1667: 5623:"...the proper application of statistics to scientific inference is irrevocably committed to extensive consideration of inverse probabilities..." It was acknowledged, with regret, that a priori probability distributions were available "only as a subjective feel, differing from one person to the next" "in the more immediate future, at least". 5259:"Hypothesis tests. It is hard to imagine a situation in which a dichotomous accept-reject decision is better than reporting an actual p value or, better still, a confidence interval." (p 599). The committee used the cautionary term "forbearance" in describing its decision against a ban of hypothesis testing in psychology reporting. (p 603) 220:. Neyman (who teamed with the younger Pearson) emphasized mathematical rigor and methods to obtain more results from many samples and a wider range of distributions. Modern hypothesis testing is an inconsistent hybrid of the Fisher vs Neyman/Pearson formulation, methods and terminology developed in the early 20th century. 2204:). A simple method of solution is to select the hypothesis with the highest probability for the Geiger counts observed. The typical result matches intuition: few counts imply no source, many counts imply two sources and intermediate counts imply one source. Notice also that usually there are problems for 1310:
consideration of a real population and a real sample produced an imaginary bag. The philosopher was considering logic rather than probability. To be a real statistical hypothesis test, this example requires the formalities of a probability calculation and a comparison of that probability to a standard.
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The dispute over formulations is unresolved. Science primarily uses Fisher's (slightly modified) formulation as taught in introductory statistics. Statisticians study Neyman–Pearson theory in graduate school. Mathematicians are proud of uniting the formulations. Philosophers consider them separately.
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A simple generalization of the example considers a mixed bag of beans and a handful that contain either very few or very many white beans. The generalization considers both extremes. It requires more calculations and more comparisons to arrive at a formal answer, but the core philosophy is unchanged;
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In the "lady tasting tea" example (below), Fisher required the lady to properly categorize all of the cups of tea to justify the conclusion that the result was unlikely to result from chance. His test revealed that if the lady was effectively guessing at random (the null hypothesis), there was a 1.4%
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Layers of philosophical concerns. The probability of statistical significance is a function of decisions made by experimenters/analysts. If the decisions are based on convention they are termed arbitrary or mindless while those not so based may be termed subjective. To minimize type II errors, large
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Neyman–Pearson theory can accommodate both prior probabilities and the costs of actions resulting from decisions. The former allows each test to consider the results of earlier tests (unlike Fisher's significance tests). The latter allows the consideration of economic issues (for example) as well as
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If the null hypothesis is valid, the only thing the test person can do is guess. For every card, the probability (relative frequency) of any single suit appearing is 1/4. If the alternative is valid, the test subject will predict the suit correctly with probability greater than 1/4. We will call the
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An academic study states that the cookbook method of teaching introductory statistics leaves no time for history, philosophy or controversy. Hypothesis testing has been taught as received unified method. Surveys showed that graduates of the class were filled with philosophical misconceptions (on all
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Statistics is increasingly being taught in schools with hypothesis testing being one of the elements taught. Many conclusions reported in the popular press (political opinion polls to medical studies) are based on statistics. Some writers have stated that statistical analysis of this kind allows for
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The continuing controversy concerns the selection of the best statistical practices for the near-term future given the existing practices. However, adequate research design can minimize this issue. Critics would prefer to ban NHST completely, forcing a complete departure from those practices, while
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Those making critical decisions based on the results of a hypothesis test are prudent to look at the details rather than the conclusion alone. In the physical sciences most results are fully accepted only when independently confirmed. The general advice concerning statistics is, "Figures never lie,
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Neyman & Pearson considered a different problem to Fisher (which they called "hypothesis testing"). They initially considered two simple hypotheses (both with frequency distributions). They calculated two probabilities and typically selected the hypothesis associated with the higher probability
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importance of the choice of null hypothesis has gone largely unacknowledged. When the null hypothesis is predicted by theory, a more precise experiment will be a more severe test of the underlying theory. When the null hypothesis defaults to "no difference" or "no effect", a more precise experiment
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We are quite in danger of sending highly trained and highly intelligent young men out into the world with tables of erroneous numbers under their arms, and with a dense fog in the place where their brains ought to be. In this century, of course, they will be working on guided missiles and advising
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When used to detect whether a difference exists between groups, a paradox arises. As improvements are made to experimental design (e.g. increased precision of measurement and sample size), the test becomes more lenient. Unless one accepts the absurd assumption that all sources of noise in the data
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Fisher thought that hypothesis testing was a useful strategy for performing industrial quality control, however, he strongly disagreed that hypothesis testing could be useful for scientists. Hypothesis testing provides a means of finding test statistics used in significance testing. The concept of
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The beans in the bag are the population. The handful are the sample. The null hypothesis is that the sample originated from the population. The criterion for rejecting the null-hypothesis is the "obvious" difference in appearance (an informal difference in the mean). The interesting result is that
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Fisher's significance testing has proven a popular flexible statistical tool in application with little mathematical growth potential. Neyman–Pearson hypothesis testing is claimed as a pillar of mathematical statistics, creating a new paradigm for the field. It also stimulated new applications in
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An example of Neyman–Pearson hypothesis testing (or null hypothesis statistical significance testing) can be made by a change to the radioactive suitcase example. If the "suitcase" is actually a shielded container for the transportation of radioactive material, then a test might be used to select
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When the test subject correctly predicts all 25 cards, we will consider them clairvoyant, and reject the null hypothesis. Thus also with 24 or 23 hits. With only 5 or 6 hits, on the other hand, there is no cause to consider them so. But what about 12 hits, or 17 hits? What is the critical number,
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methods can be used for null hypothesis testing. A bootstrap creates numerous simulated samples by randomly resampling (with replacement) the original, combined sample data, assuming the null hypothesis is correct. The bootstrap is very versatile as it is distribution-free and it does not rely on
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if a sample was sufficiently inconsistent with the (null) hypothesis. This was variously considered common sense, a pragmatic heuristic for identifying meaningful experimental results, a convention establishing a threshold of statistical evidence or a method for drawing conclusions from data. The
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Statistics are helpful in analyzing most collections of data. This is equally true of hypothesis testing which can justify conclusions even when no scientific theory exists. In the Lady tasting tea example, it was "obvious" that no difference existed between (milk poured into tea) and (tea poured
600:-value is the probability that a test statistic which is at least as extreme as the one obtained would occur under the null hypothesis. At a significance level of 0.05, a fair coin would be expected to (incorrectly) reject the null hypothesis (that it is fair) in 1 out of 20 tests on average. The 223:
Fisher popularized the "significance test". He required a null-hypothesis (corresponding to a population frequency distribution) and a sample. His (now familiar) calculations determined whether to reject the null-hypothesis or not. Significance testing did not utilize an alternative hypothesis so
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Critics of significance testing have advocated basing inference less on p-values and more on confidence intervals for effect sizes for importance, prediction intervals for confidence, replications and extensions for replicability, meta-analyses for generality :. But none of these suggested
3460:'Statistical methods and statistical terms are necessary in reporting the mass data of social and economic trends, business conditions, "opinion" polls, the census. But without writers who use the words with honesty and readers who know what they mean, the result can only be semantic nonsense.' 1286:
A criminal trial can be regarded as either or both of two decision processes: guilty vs not guilty or evidence vs a threshold ("beyond a reasonable doubt"). In one view, the defendant is judged; in the other view the performance of the prosecution (which bears the burden of proof) is judged. A
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The statement also relies on the inference that the sampling was random. If someone had been picking through the bag to find white beans, then it would explain why the handful had so many white beans, and also explain why the number of white beans in the bag was depleted (although the bag is
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Thirty years later, Meehl acknowledged statistical significance theory to be mathematically sound while continuing to question the default choice of null hypothesis, blaming instead the "social scientists' poor understanding of the logical relation between theory and fact" in "The Problem Is
683:. When theory is only capable of predicting the sign of a relationship, a directional (one-sided) hypothesis test can be configured so that only a statistically significant result supports theory. This form of theory appraisal is the most heavily criticized application of hypothesis testing. 965:
for examples) to a threshold. The test statistic (the formula found in the table below) is based on optimality. For a fixed level of Type I error rate, use of these statistics minimizes Type II error rates (equivalent to maximizing power). The following terms describe tests in terms of such
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compares the birthrates of boys and girls in multiple European cities. He states: "it is natural to conclude that these possibilities are very nearly in the same ratio". Thus, the null hypothesis in this case that the birthrates of boys and girls should be equal given "conventional wisdom".
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the former produces a conclusion on the basis of only strong evidence while the latter produces a decision on the basis of available evidence. While the two tests seem quite different both mathematically and philosophically, later developments lead to the opposite claim. Consider many tiny
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Editors should seriously consider for publication any carefully done study of an important question, relevant to their readers, whether the results for the primary or any additional outcome are statistically significant. Failure to submit or publish findings because of lack of statistical
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of a statistical test are the boundaries of the acceptance region of the test. The acceptance region is the set of values of the test statistic for which the null hypothesis is not rejected. Depending on the shape of the acceptance region, there can be one or more than one critical value.
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to determine "whether a given form of frequency curve will effectively describe the samples drawn from a given population." Thus the null hypothesis is that a population is described by some distribution predicted by theory. He uses as an example the numbers of five and sixes in the
1941:{\displaystyle P({\text{reject }}H_{0}\mid H_{0}{\text{ is valid}})=P\left(X\geq 10\mid p={\frac {1}{4}}\right)=\sum _{k=10}^{25}P\left(X=k\mid p={\frac {1}{4}}\right)=\sum _{k=10}^{25}{\binom {25}{k}}\left(1-{\frac {1}{4}}\right)^{25-k}\left({\frac {1}{4}}\right)^{k}\approx 0.0713} 1046:-value. Arbuthnot concluded that this is too small to be due to chance and must instead be due to divine providence: "From whence it follows, that it is Art, not Chance, that governs." In modern terms, he rejected the null hypothesis of equally likely male and female births at the 2404:
alternatives inherently produces a decision. Lehmann said that hypothesis testing theory can be presented in terms of conclusions/decisions, probabilities, or confidence intervals: "The distinction between the ... approaches is largely one of reporting and interpretation."
1042:. In every year, the number of males born in London exceeded the number of females. Considering more male or more female births as equally likely, the probability of the observed outcome is 0.5, or about 1 in 4,836,000,000,000,000,000,000,000; in modern terms, this is the 1489:=10. In the first case almost no test subjects will be recognized to be clairvoyant, in the second case, a certain number will pass the test. In practice, one decides how critical one will be. That is, one decides how often one accepts an error of the first kind – a 3476:"...the basic ideas in statistics assist us in thinking clearly about the problem, provide some guidance about the conditions that must be satisfied if sound inferences are to be made, and enable us to detect many inferences that have no good logical foundation." 2083: 1314:
If the composition of the handful is greatly different from that of the bag, then the sample probably originated from another bag. The original example is termed a one-sided or a one-tailed test while the generalization is termed a two-sided or two-tailed test.
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of a given categorical factor. Here the null hypothesis is by default that two things are unrelated (e.g. scar formation and death rates from smallpox). The null hypothesis in this case is no longer predicted by theory or conventional wisdom, but is instead the
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In listing the competing definitions of "objective" Bayesian analysis, "A major goal of statistics (indeed science) is to find a completely coherent objective Bayesian methodology for learning from data." The author expressed the view that this goal "is not
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Report the exact level of significance (e.g. p = 0.051 or p = 0.049). Do not refer to "accepting" or "rejecting" hypotheses. If the result is "not significant", draw no conclusions and make no decisions, but suspend judgement until further data is available.
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and definition of multiple comparison. The former often changes during the course of a study and the latter is unavoidably ambiguous. (i.e. "p values depend on both the (data) observed and on the other possible (data) that might have been observed but
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statistical hypothesis test added mathematical rigor and philosophical consistency to the concept by making the alternative hypothesis explicit. The term is loosely used for the modern version which is now part of statistical hypothesis testing.
2269:) produce the same mathematical answer. The preferred answer is context dependent. While the existing merger of Fisher and Neyman–Pearson theories has been heavily criticized, modifying the merger to achieve Bayesian goals has been considered. 345:
The usefulness of the procedure is limited among others to situations where you have a disjunction of hypotheses (e.g. either Ό1 = 8 or Ό2 = 10 is true) and where you can make meaningful cost-benefit trade-offs for choosing alpha and beta.
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to convey the precision of that estimate), saying "Ultimately, it is the physiological importance of the data that those publishing in The Journal of Physiology should be most concerned with, rather than the statistical significance."
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Suppose the data can be realized from an N(0,1) distribution. For example, with a chosen significance level α = 0.05, from the Z-table, a one-tailed critical value of approximately 1.645 can be obtained. The one-tailed critical value
1964:) is determined. Typically, values in the range of 1% to 5% are selected. (If the maximum acceptable error rate is zero, an infinite number of correct guesses is required.) Depending on this Type 1 error rate, the critical value 272:
provided an intermission in the debate. The dispute between Fisher and Neyman terminated (unresolved after 27 years) with Fisher's death in 1962. Neyman wrote a well-regarded eulogy. Some of Neyman's later publications reported
1504: 2171:, attempt to balance the consequences of incorrect decisions across all possibilities, rather than concentrating on a single null hypothesis. A number of other approaches to reaching a decision based on data are available via 1091:; a defendant is considered not guilty as long as his or her guilt is not proven. The prosecutor tries to prove the guilt of the defendant. Only when there is enough evidence for the prosecution is the defendant convicted. 406:). An introductory statistics class teaches hypothesis testing as a cookbook process. Hypothesis testing is also taught at the postgraduate level. Statisticians learn how to create good statistical test procedures (like 2256:
The terminology is inconsistent. Hypothesis testing can mean any mixture of two formulations that both changed with time. Any discussion of significance testing vs hypothesis testing is doubly vulnerable to confusion.
691:"If the government required statistical procedures to carry warning labels like those on drugs, most inference methods would have long labels indeed." This caution applies to hypothesis tests and alternatives to them. 611:-value is less than the chosen significance threshold (equivalently, if the observed test statistic is in the critical region), then we say the null hypothesis is rejected at the chosen level of significance. If the 2179:, some of which have desirable properties. Hypothesis testing, though, is a dominant approach to data analysis in many fields of science. Extensions to the theory of hypothesis testing include the study of the 321:
Set up two statistical hypotheses, H1 and H2, and decide about α, ÎČ, and sample size before the experiment, based on subjective cost-benefit considerations. These define a rejection region for each hypothesis.
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The two forms of hypothesis testing are based on different problem formulations. The original test is analogous to a true/false question; the Neyman–Pearson test is more like multiple choice. In the view of
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Martin, M.A., 2007. Bootstrap hypothesis testing for some common statistical problems: A critical evaluation of size and power properties. Computational Statistics & Data Analysis, 51(12), pp.6321-6342.
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rate. For composite hypotheses this is the supremum of the probability of rejecting the null hypothesis over all cases covered by the null hypothesis. The complement of the false positive rate is termed
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Learned opinions deem the formulations variously competitive (Fisher vs Neyman), incompatible or complementary. The dispute has become more complex since Bayesian inference has achieved respectability.
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less than the chosen significance threshold (equivalently, if the observed test statistic is outside the critical region), then the null hypothesis is not rejected at the chosen level of significance.
1405: 2798:"On the criterion that a given system of deviations from the probable in the case of a correlated system of variables is such that it can be reasonably supposed to have arisen from random sampling" 1023:
The earliest use of statistical hypothesis testing is generally credited to the question of whether male and female births are equally likely (null hypothesis), which was addressed in the 1700s by
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samples are recommended. In psychology practically all null hypotheses are claimed to be false for sufficiently large samples so "...it is usually nonsensical to perform an experiment with the
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Derive the distribution of the test statistic under the null hypothesis from the assumptions. In standard cases this will be a well-known result. For example, the test statistic might follow a
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The modern version of hypothesis testing is a hybrid of the two approaches that resulted from confusion by writers of statistical textbooks (as predicted by Fisher) beginning in the 1940s (but
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As we try to find evidence of their clairvoyance, for the time being the null hypothesis is that the person is not clairvoyant. The alternative is: the person is (more or less) clairvoyant.
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If the data falls into the rejection region of H1, accept H2; otherwise accept H1. Accepting a hypothesis does not mean that you believe in it, but only that you act as if it were true.
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The conclusion of the test is only as solid as the sample upon which it is based. The design of the experiment is critical. A number of unexpected effects have been observed including:
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is a method of statistical inference used to decide whether the data sufficiently supports a particular hypothesis. A statistical hypothesis test typically involves a calculation of a
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Critics and supporters are largely in factual agreement regarding the characteristics of null hypothesis significance testing (NHST): While it can provide critical information, it is
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The dispute between Fisher and Neyman–Pearson was waged on philosophical grounds, characterized by a philosopher as a dispute over the proper role of models in statistical inference.
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Halpin, P F; Stam, HJ (Winter 2006). "Inductive Inference or Inductive Behavior: Fisher and Neyman: Pearson Approaches to Statistical Testing in Psychological Research (1940–1960)".
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Use this procedure only if little is known about the problem at hand, and only to draw provisional conclusions in the context of an attempt to understand the experimental situation.
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Multiple testing: When multiple true null hypothesis tests are conducted at once without adjustment, the overall probability of Type I error is higher than the nominal alpha level.
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aim of rejecting the null hypothesis." "Statistically significant findings are often misleading" in psychology. Statistical significance does not imply practical significance, and
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and has also contrasted Bayesian estimation for assessing null values with Bayesian model comparison for hypothesis testing. Two competing models/hypotheses can be compared using
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reflect philosophical differences. The most common application of hypothesis testing is in the scientific interpretation of experimental data, which is naturally studied by the
235:-value was devised as an informal, but objective, index meant to help a researcher determine (based on other knowledge) whether to modify future experiments or strengthen one's 731:
for example, there is no agreement on a measure of forecast accuracy. In the absence of a consensus measurement, no decision based on measurements will be without controversy.
2229:-test, "there can be no better test for the hypothesis under consideration" (p 321). Neyman–Pearson theory was proving the optimality of Fisherian methods from its inception. 376:
Fisher and Neyman opposed the subjectivity of probability. Their views contributed to the objective definitions. The core of their historical disagreement was philosophical.
251:(the hypothesis more likely to have generated the sample). Their method always selected a hypothesis. It also allowed the calculation of both types of error probabilities. 209:(son of Karl). Ronald Fisher began his life in statistics as a Bayesian (Zabell 1992), but Fisher soon grew disenchanted with the subjectivity involved (namely use of the 3409: 254:
Fisher and Neyman/Pearson clashed bitterly. Neyman/Pearson considered their formulation to be an improved generalization of significance testing (the defining paper was
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Not rejecting the null hypothesis does not mean the null hypothesis is "accepted" per se (though Neyman and Pearson used that word in their original writings; see the
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among three hypotheses: no radioactive source present, one present, two (all) present. The test could be required for safety, with actions required in each case. The
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Epistemology, Not Statistics: Replace Significance Tests by Confidence Intervals and Quantify Accuracy of Risky Numerical Predictions" (Chapter 14 in Harlow (1997)).
4125: 2136:, although the two types of inference have notable differences. Statistical hypothesis tests define a procedure that controls (fixes) the probability of incorrectly 1206: 1173: 1146: 1119: 2118: 5790: 1215:
The hypothesis of innocence is rejected only when an error is very unlikely, because one does not want to convict an innocent defendant. Such an error is called
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Hubbard, R.; Parsa, A. R.; Luthy, M. R. (1997). "The Spread of Statistical Significance Testing in Psychology: The Case of the Journal of Applied Psychology".
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Laplace considered the statistics of almost half a million births. The statistics showed an excess of boys compared to girls. He concluded by calculation of a
1641:{\displaystyle P({\text{reject }}H_{0}\mid H_{0}{\text{ is valid}})=P\left(X=25\mid p={\frac {1}{4}}\right)=\left({\frac {1}{4}}\right)^{25}\approx 10^{-15}} 2148:
the probability that the null hypothesis is true, nor whether any specific alternative hypothesis is true. This contrasts with other possible techniques of
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When the null hypothesis is true and statistical assumptions are met, the probability that the p-value will be less than or equal to the significance level
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is a less severe test of the theory that motivated performing the experiment. An examination of the origins of the latter practice may therefore be useful:
1221:(i.e., the conviction of an innocent person), and the occurrence of this error is controlled to be rare. As a consequence of this asymmetric behaviour, an 978:, the test with the greatest power (probability of rejection) for a given value of the parameter(s) being tested, contained in the alternative hypothesis. 5798:
Statistical Analysis based Hypothesis Testing Method in Biological Knowledge Discovery; Md. Naseef-Ur-Rahman Chowdhury, Suvankar Paul, Kazi Zakia Sultana
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The following example was produced by a philosopher describing scientific methods generations before hypothesis testing was formalized and popularized.
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of tests, i.e. the probability of correctly rejecting the null hypothesis given that it is false. Such considerations can be used for the purpose of
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publishers have recognized the obligation to publish some results that are not statistically significant to combat publication bias, and a journal (
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is one proposed alternative to significance testing. (Nickerson cited 10 sources suggesting it, including Rozeboom (1960)). For example, Bayesian
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A unifying position of critics is that statistics should not lead to an accept-reject conclusion or decision, but to an estimated value with an
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in the null hypothesis. Hypothesis testing (and Type I/II errors) was devised by Neyman and Pearson as a more objective alternative to Fisher's
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the medical profession on the control of disease, and there is no limit to the extent to which they could impede every sort of national effort.
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and chi-squared). Statistical hypothesis testing is considered a mature area within statistics, but a limited amount of development continues.
361:, which includes hypothesis testing, is applied probability. Both probability and its application are intertwined with philosophy. Philosopher 7727: 4346: 679:). Significance testing is used as a substitute for the traditional comparison of predicted value and experimental result at the core of the 5785: 5472: 2460:
hypothesis testing can provide this information, and do not claim to. The probability a hypothesis is true can only be derived from use of
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Lehmann E.L. (1992) "Introduction to Neyman and Pearson (1933) On the Problem of the Most Efficient Tests of Statistical Hypotheses". In:
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The former report is adequate, the latter gives a more detailed explanation of the data and the reason why the suitcase is being checked.
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Gigerenzer, Gerd; Zeno Swijtink; Theodore Porter; Lorraine Daston; John Beatty; Lorenz Kruger (1989). "Part 3: The Inference Experts".
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Test statistic: A value calculated from a sample without any unknown parameters, often to summarize the sample for comparison purposes.
3406: 593:. This ensures that the hypothesis test maintains its specified false positive rate (provided that statistical assumptions are met). 68:
While hypothesis testing was popularized early in the 20th century, early forms were used in the 1700s. The first use is credited to
2309:. Most of the criticism is indirect. Rather than being wrong, statistical hypothesis testing is misunderstood, overused and misused. 7275: 4910: 604:-value does not provide the probability that either the null hypothesis or its opposite is correct (a common source of confusion). 4838:
Yates, Frank (1951). "The Influence of Statistical Methods for Research Workers on the Development of the Science of Statistics".
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Tibshirani, R.J. and Efron, B., 1993. An introduction to the bootstrap. Monographs on statistics and applied probability, 57(1).
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From all the numbers c, with this property, we choose the smallest, in order to minimize the probability of a Type II error, a
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Conservative test: A test is conservative if, when constructed for a given nominal significance level, the true probability of
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Significance testing has been the favored statistical tool in some experimental social sciences (over 90% of articles in the
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This paper lead to the review of statistical practices by the APA. Cohen was a member of the Task Force that did the review.
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Controversy over significance testing, and its effects on publication bias in particular, has produced several results. The
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Criticism of statistical hypothesis testing fills volumes. Much of the criticism can be summarized by the following issues:
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A statistical analysis of misleading data produces misleading conclusions. The issue of data quality can be more subtle. In
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and hence, very small. The probability of a false positive is the probability of randomly guessing correctly all 25 times.
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Publication bias: Statistically nonsignificant results may be less likely to be published, which can bias the literature.
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Many of the philosophical criticisms of hypothesis testing are discussed by statisticians in other contexts, particularly
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of hypothesis testing says that a good criterion for the selection of hypotheses is the ratio of their probabilities (a
2078:{\displaystyle P({\text{reject }}H_{0}\mid H_{0}{\text{ is valid}})=P\left(X\geq c\mid p={\frac {1}{4}}\right)\leq 0.01} 8201: 4677: 4521: 3920: 2345: 265: 2360:"strongly recommend the use of estimation methods for those publishing in The Journal" (meaning the magnitude of the 2299:
Confusion resulting (in part) from combining the methods of Fisher and Neyman–Pearson which are conceptually distinct.
517:"The Geiger-counter reading is high; 97% of safe suitcases have lower readings. The limit is 95%. Check the suitcase." 9191: 8717: 8300: 7524: 7416: 5712: 5348:"Moving beyond P values in The Journal of Physiology: A primer on the value of effect sizes and confidence intervals" 4755: 4471: 4064: 3980: 3704: 936:: A predecessor to the statistical hypothesis test (see the Origins section). An experimental result was said to be 8129: 7702: 7576: 5117:
Nickerson, Raymond S. (2000). "Null Hypothesis Significance Tests: A Review of an Old and Continuing Controversy".
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in 1938, breaking his partnership with Pearson and separating the disputants (who had occupied the same building).
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Mayo, D. G.; Spanos, A. (2006). "Severe Testing as a Basic Concept in a Neyman–Pearson Philosophy of Induction".
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Lenhard, Johannes (2006). "Models and Statistical Inference: The Controversy between Fisher and Neyman–Pearson".
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Lehmann, E. L. (December 1993). "The Fisher, Neyman–Pearson Theories of Testing Hypotheses: One Theory or Two?".
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when determining prior probabilities), and sought to provide a more "objective" approach to inductive inference.
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can provide rich information about the data from which researchers can draw inferences, while using uncertain
2167:, but this fails when comparing point and continuous hypotheses. Other approaches to decision making, such as 9333: 9301: 8941: 8712: 8054: 7013: 5916: 5773: 2643:
100 Statistical Tests in R: What to Choose, how to Easily Calculate, with Over 300 Illustrations and Examples
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Emphasis on statistical significance to the exclusion of estimation and confirmation by repeated experiments.
174: 4118:"An argument for Divine Providence, taken from the constant regularity observed in the births of both sexes" 1485:=25 (i.e. we only accept clairvoyance when all cards are predicted correctly) we're more critical than with 1477:, of hits, at which point we consider the subject to be clairvoyant? How do we determine the critical value 8806: 8533: 7605: 7554: 7539: 7529: 7398: 7270: 7237: 7063: 7018: 6848: 2610: 981: 3523: 2261:
power is useful in explaining the consequences of adjusting the significance level and is heavily used in
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Hall, P. and Wilson, S.R., 1991. Two guidelines for bootstrap hypothesis testing. Biometrics, pp.757-762.
2720:"Appraising and Amending Theories: The Strategy of Lakatosian Defense and Two Principles That Warrant It" 2543: 2234: 900: 538:
It is particularly critical that appropriate sample sizes be estimated before conducting the experiment.
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Fisher emphasized rigorous experimental design and methods to extract a result from few samples assuming
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Horowitz, J.L., 2019. Bootstrap methods in econometrics. Annual Review of Economics, 11, pp.193-224. I'm
3234:"Hypothetical explanations of the negative apparent effects of cloud seeding in the Whitetop Experiment" 694:
The successful hypothesis test is associated with a probability and a type-I error rate. The conclusion
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Sometime around 1940, authors of statistical text books began combining the two approaches by using the
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Arbuthnot examined birth records in London for each of the 82 years from 1629 to 1710, and applied the
994: 3557: 2951: 2771: 2364:(to allow readers to judge whether a finding has practical, physiological, or clinical relevance) and 1330:. They are shown the back face of a randomly chosen playing card 25 times and asked which of the four 9145: 9140: 9008: 8707: 8414: 8372: 8336: 8243: 7566: 7334: 7055: 6980: 6909: 6838: 6758: 6746: 6616: 6604: 6597: 6305: 6026: 5233:
Wilkinson, Leland (1999). "Statistical Methods in Psychology Journals; Guidelines and Explanations".
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Begg, Colin B.; Berlin, Jesse A. (1988). "Publication bias: a problem in interpreting medical data".
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Set up a statistical null hypothesis. The null need not be a nil hypothesis (i.e., zero difference).
210: 147: 51: 5601: 5531: 4297: 3602:(2006). "Why We Don't Really Know What Statistical Significance Means: Implications for Educators". 3376: 2325:. Casting doubt on the null hypothesis is thus far from directly supporting the research hypothesis. 8983: 8682: 8394: 8290: 8049: 7816: 7679: 7364: 7329: 7293: 7078: 6520: 6429: 6388: 6300: 5991: 5830: 2565: 2562: 2457: 2437:
of the test statistic under the alternative hypothesis are often available in the social sciences.
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hypothesis test can be regarded as either a judgment of a hypothesis or as a judgment of evidence.
1223: 937: 484: 255: 198: 142: 3034:
Goodman, S N (June 15, 1999). "Toward evidence-based medical statistics. 1: The P Value Fallacy".
2464:, which was unsatisfactory to both the Fisher and Neyman–Pearson camps due to the explicit use of 9254: 9181: 9013: 7958: 7571: 7511: 7448: 7086: 7070: 6808: 6670: 6660: 6510: 6424: 5563: 3682:"The Null Ritual What You Always Wanted to Know About Significant Testing but Were Afraid to Ask" 1217: 1000: 3425: 2440:
Advocates of a Bayesian approach sometimes claim that the goal of a researcher is most often to
2249:. Both formulations have been successful, but the successes have been of a different character. 755:
The following definitions are mainly based on the exposition in the book by Lehmann and Romano:
531:
The processes described here are perfectly adequate for computation. They seriously neglect the
9277: 9249: 9028: 8752: 8238: 8149: 7996: 7926: 7719: 7656: 7411: 7298: 6295: 6192: 6099: 5978: 5877: 5780: 5596: 5526: 5416: 5322: 5316: 5305:. Volume 1 number 1 was published in 2002, and all articles are on psychology-related subjects. 4484: 3371: 2153: 804: 763: 716:. Industrial workers were more productive in better illumination, and most productive in worse. 358: 63: 4773:
The Cult of Statistical Significance: How the Standard Error Costs Us Jobs, Justice, and Lives
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Decide to either reject the null hypothesis in favor of the alternative or not reject it. The
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that exert only minimal influence on the results when enough data is available. Psychologist
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Before the test is actually performed, the maximum acceptable probability of a Type I error (
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Successfully rejecting the null hypothesis may offer no support for the research hypothesis.
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Critique of classical hypothesis testing highlighting long-standing qualms of statisticians
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probabilities. A likelihood ratio remains a good criterion for selecting among hypotheses.
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Sotos, Ana Elisa Castro; Vanhoof, Stijn; Noortgate, Wim Van den; Onghena, Patrick (2009).
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Sotos, Ana Elisa Castro; Vanhoof, Stijn; Noortgate, Wim Van den; Onghena, Patrick (2007).
2797: 2097: 8: 9219: 9214: 8988: 8787: 8777: 8612: 8221: 8091: 8016: 7939: 7620: 7384: 7377: 7339: 7247: 7227: 7199: 6932: 6798: 6793: 6783: 6775: 6593: 6554: 6444: 6434: 6343: 6122: 6078: 5996: 5921: 5823: 4491:(3rd ed.). Eagan, MN; Washington, D.C.: West National Academies Press. p. 259. 2423: 2160: 1039: 664:
Statistical hypothesis testing plays an important role in the whole of statistics and in
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The difference in the two processes applied to the radioactive suitcase example (below):
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Rigidly requiring statistical significance as a criterion for publication, resulting in
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The typical steps involved in performing a frequentist hypothesis test in practice are:
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wrote, "All knowledge degenerates into probability." Competing practical definitions of
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Branch, Mark (2014). "Malignant side effects of null hypothesis significance testing".
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during the early 1990s). Other fields have favored the estimation of parameters (e.g.
9003: 8998: 8926: 8875: 8649: 8629: 8617: 8577: 8548: 8516: 8434: 8327: 8295: 8191: 8100: 8011: 7981: 7973: 7793: 7784: 7709: 7640: 7496: 7481: 7456: 7344: 7285: 7151: 7139: 6765: 6682: 6626: 6549: 6393: 6315: 6094: 5968: 5708: 5614: 5540: 5499: 5439: 5381: 5369: 5326: 5216: 5134: 5043: 4977: 4895: 4820: 4776: 4751: 4723: 4698: 4673: 4648: 4517: 4492: 4467: 4443: 4388: 4358: 4322: 4252: 4224: 4200: 4175: 4164: 4148: 4060: 4029: 3976: 3957: 3916: 3893: 3839: 3798: 3773: 3746: 3736: 3700: 3449: 3342: 3336: 3319: 3273: 3206: 3051: 2832:"On the Theory of Contingency and Its Relation to Association and Normal Correlation" 2699: 2674: 2647: 2570: 2502: 2469: 2461: 2415: 2390: 2180: 877: 866: 680: 138: 5181: 5146: 4937: 4717: 4273: 4162:
Brian, Éric; Jaisson, Marie (2007). "Physico-Theology and Mathematics (1710–1794)".
3633: 3218: 3167: 860:: The set of values of the test statistic for which the null hypothesis is rejected. 9168: 8921: 8880: 8692: 8667: 8479: 8409: 8253: 8036: 7991: 7755: 7742: 7635: 7610: 7544: 7476: 7354: 6962: 6855: 6788: 6701: 6648: 6467: 6338: 6132: 6016: 5931: 5898: 5742: 5681: 5646: 5606: 5548: 5536: 5487: 5468: 5451: 5431: 5412: 5359: 5242: 5204: 5169: 5126: 5085: 5031: 5004: 4969: 4925: 4875: 4851: 4847: 4812: 4748:
Beyond Significance Testing: Reforming Data Analysis Methods in Behavioral Research
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Proceedings of the National Academy of Sciences of the United States of America
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The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science
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Positive data: Data that enable the investigator to reject a null hypothesis.
542: 225: 186: 151: 4628: 4611: 4587: 4570: 3649:"How Confident Are Students in Their Misconceptions about Hypothesis Tests?" 3507: 3490: 3407:
Mathematics > High School: Statistics & Probability > Introduction
3258: 2871: 2854: 824:≈ 1.645 corresponds to the chosen significance level. The critical region [C 9244: 8672: 8521: 8511: 8489: 8419: 8312: 8226: 8001: 7934: 7911: 7826: 7156: 6452: 6350: 6285: 6227: 6212: 6149: 6104: 5747: 5720: 5618: 5443: 5373: 5138: 4960:
Bakan, David (1966). "The test of significance in psychological research".
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Statistical Inference: A Commentary for the Social and Behavioural Sciences
4139: 4033: 3897: 3859: 3323: 3277: 3210: 3055: 3019: 2992: 2913:. A working paper that explains the difference between Fisher's evidential 2595: 2465: 1331: 1327: 501:
is in the critical region, and not to reject the null hypothesis otherwise.
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Hunter, John E. (January 1997). "Needed: A Ban on the Significance Test".
4981: 3732: 3696: 3385: 3159: 9239: 8936: 8634: 8543: 8506: 8044: 8006: 7689: 7590: 7452: 7265: 7232: 6724: 6641: 6636: 6280: 6237: 6217: 6197: 6187: 5956: 4824: 3998:"Common pitfalls in statistical analysis: The perils of multiple testing" 2548: 2445: 2361: 2246: 1088: 728: 676: 3315: 2278: 781:: Any hypothesis which specifies the population distribution completely. 8865: 8587: 6890: 6370: 6070: 6001: 5951: 5926: 5846: 4887: 4718:
Harlow, Lisa Lavoie; Stanley A. Mulaik; James H. Steiger, eds. (1997).
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The Empire of Chance: How Probability Changed Science and Everyday Life
2880: 2719: 2517: 2449: 2221: 951: 723:. Pills with no medically active ingredients were remarkably effective. 514:"The Geiger-counter reading is 10. The limit is 9. Check the suitcase." 425: 362: 92: 39:. Then a decision is made, either by comparing the test statistic to a 5721:"On the Problem of the Most Efficient Tests of Statistical Hypotheses" 4317:. Cambridge, Mass: Belknap Press of Harvard University Press. p.  2993:"On the Problem of the most Efficient Tests of Statistical Hypotheses" 2348:
has strengthened its statistical reporting requirements after review,
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rejecting the null hypothesis is never greater than the nominal level.
623:
chance that the observed results (perfectly ordered tea) would occur.
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The History of Statistics: The Measurement of Uncertainty before 1900
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The History of Statistics: The Measurement of Uncertainty Before 1900
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The SAGE Handbook of Quantitative Methodology for the Social Sciences
3307: 2265:. The two methods remain philosophically distinct. They usually (but 1035: 4911:"Theory-Testing in Psychology and Physics: A Methodological Paradox" 4879: 3888: 3863: 3624: 3576: 2397:. Estimation statistics can be accomplished with either frequentist 8829: 8582: 8216: 8186: 6559: 6177: 6054: 6049: 6044: 4929: 4409: 3935: 2620: 295:(or data) to test against the Neyman–Pearson "significance level". 5796: 5057:
Lykken, David T. (1991). "What's wrong with psychology, anyway?".
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Ranganathan, Priya; Pramesh, C. S; Buyse, Marc (April–June 2016).
3763: 8501: 8064: 7765: 3910: 3474:(6 ed.). Ames, Iowa: Iowa State University Press. p. 3. 2473: 1334:
it belongs to. The number of hits, or correct answers, is called
920: 828:, ∞) is realized as the tail of the standard normal distribution. 648:
Determining the range at which a bat can detect an insect by echo
167: 44: 8141: 5473:"Rejecting or Accepting Parameter Values in Bayesian Estimation" 5076:
Jacob Cohen (December 1994). "The Earth Is Round (p < .05)".
3416:
Common Core State Standards Initiative (relates to USA students)
3232:
Losavich, J. L.; Neyman, J.; Scott, E. L.; Wells, M. A. (1971).
3181:
Neyman, Jerzy (1967). "RA Fisher (1890—1962): An Appreciation".
387:. Hypothesis testing is of continuing interest to philosophers. 8796: 7986: 6967: 6941: 6921: 6172: 5963: 5022:
Nunnally, Jum (1960). "The place of statistics in psychology".
1227:(acquitting a person who committed the crime), is more common. 1968:
is calculated. For example, if we select an error rate of 1%,
1318:
probably intended to be assumed much larger than one's hand).
1212:. It is the alternative hypothesis that one hopes to support. 651:
Deciding whether hospital carpeting results in more infections
8958: 5815: 5569:(Report). Department of Statistics, University of Washington. 4642: 2696:
in Statisticians of the Centuries by C.C. Heyde and E. Seneta
2640:
Lewis, Nancy D.; Lewis, Nigel Da Costa; Lewis, N. D. (2013).
1303:
Therefore: Probably, these beans were taken from another bag.
988: 541:
The phrase "test of significance" was coined by statistician
299:
A comparison between Fisherian, frequentist (Neyman–Pearson)
5345: 3646: 3521: 2422:
has suggested Bayesian estimation as an alternative for the
1057:-value that the excess was a real, but unexplained, effect. 709:. A horse appeared to be capable of doing simple arithmetic. 9084:
Committee on the Environment, Public Health and Food Safety
8890: 5906: 4612:"Could Fisher, Jeffreys and Neyman Have Agreed on Testing?" 2163:
approach to hypothesis testing is to base decisions on the
882:: For simple hypotheses, this is the test's probability of 657:
Checking whether bumper stickers reflect car owner behavior
23:
The above image shows a table with some of the most common
5480:
Advances in Methods and Practices in Psychological Science
4770: 2393:; this data-analysis philosophy is broadly referred to as 2128:
Statistical hypothesis testing is a key technique of both
1957:= 10 yields a much greater probability of false positive. 639:
Testing whether more men than women suffer from nightmares
154:
and others to dismiss the use of "inverse probabilities".
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Statistical Significance: Rationale, Validity and Utility
4442:(5. print. ed.). Cambridge : Cambridge Univ. Press. 4126:
Philosophical Transactions of the Royal Society of London
2385:
Confidence interval § Statistical hypothesis testing
1087:
A statistical test procedure is comparable to a criminal
957:
A statistical hypothesis test compares a test statistic (
434:
Define a hypothesis (claim which is testable using data).
5302: 4798:"Recent Methodological Contributions to Clinical Trials" 4750:. Washington, D.C.: American Psychological Association. 3231: 2452:
is true based on the data they have collected. Neither
1400:{\displaystyle {\text{:}}\qquad H_{0}:p={\tfrac {1}{4}}} 1094:
In the start of the procedure, there are two hypotheses
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In a famous example of hypothesis testing, known as the
5287:
significance is an important cause of publication bias.
3995: 3673: 635:
Real world applications of hypothesis testing include:
157: 5582:"The fallacy of the null-hypothesis significance test" 4995:
Gigerenzer, G (November 2004). "Mindless statistics".
3558:"New Pedagogy and New Content: The Case of Statistics" 3355: 1447: 1386: 162:
Modern significance testing is largely the product of
5299:
Journal of Articles in Support of the Null Hypothesis
5116: 3491:"Testing Statistical Hypotheses: The Story of a Book" 3426:
College Board Tests > AP: Subjects > Statistics
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Journal of Articles in Support of the Null Hypothesis
2100: 1982: 1670: 1507: 1421: 1359: 1187: 1154: 1127: 1100: 579: 559: 264:
Events intervened: Neyman accepted a position in the
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Autoregressive conditional heteroskedasticity (ARCH)
4195:
Conover, W.J. (1999), "Chapter 3.4: The Sign Test",
2945: 2943: 2855:"R. A. Fisher on the History of Inverse Probability" 2498: 2334:
inadequate as the sole tool for statistical analysis
2190: 1461:{\displaystyle {\text{:}}H_{1}:p>{\tfrac {1}{4}}} 426:
Performing a frequentist hypothesis test in practice
5512: 4541:Tukey, John W. (1960). "Conclusions vs decisions". 2764:
Mémoires de l'Académie Royale des Sciences de Paris
437:Select a relevant statistical test with associated 7190: 5707:, (Eds Kotz, S., Johnson, N.L.), Springer-Verlag. 4988: 4868:Journal of the Royal Statistical Society, Series A 4170:. Springer Science & Business Media. pp.  4048: 2959:Journal of the Royal Statistical Society, Series B 2929: 2836:Drapers' Company Research Memoirs Biometric Series 2112: 2077: 1940: 1640: 1460: 1399: 1200: 1167: 1140: 1113: 645:Evaluating the effect of the full moon on behavior 585: 565: 9339:Mathematical and quantitative methods (economics) 5781:Bayesian critique of classical hypothesis testing 5726:Philosophical Transactions of the Royal Society A 5515:"Significance tests harm progress in forecasting" 5346:Williams S, Carson R, TĂłth K (October 10, 2023). 5232: 4771:McCloskey, Deirdre N.; Stephen T. Ziliak (2008). 3470:Snedecor, George W.; Cochran, William G. (1967). 3364:The British Journal for the Philosophy of Science 3289: 3287: 2998:Philosophical Transactions of the Royal Society A 2986: 2984: 2982: 2980: 2940: 2487:, while Neyman–Pearson devised their approach of 2472:. Fisher's strategy is to sidestep this with the 1862: 1849: 632:into milk). The data contradicted the "obvious". 469:Compute from the observations the observed value 9315: 5463: 5461: 5407: 5405: 5339: 3913:Statistics in the Real World: a book of examples 3597: 2917:-value and the Neyman–Pearson Type I error rate 784:Composite hypothesis: Any hypothesis which does 762:: A statement about the parameters describing a 7276:Multivariate adaptive regression splines (MARS) 5270:"ICMJE: Obligation to Publish Negative Studies" 4840:Journal of the American Statistical Association 4643:Morrison, Denton; Henkel, Ramon, eds. (2006) . 3772:. Vol. I and II (Second ed.). Wiley. 3469: 3341:. Cambridge University Press. pp. 70–122. 3086:Journal of the American Statistical Association 2892: 2890: 2639: 788:specify the population distribution completely. 487:decision rule is to reject the null hypothesis 4440:Probability theory : the logic of science 4115: 3975:. New York: W.H. Freeman and Co. p. 426. 3284: 2977: 2952:"Statistical Methods and Scientific Induction" 2750: 2748: 201:"), while hypothesis testing was developed by 50:computed from the test statistic. Roughly 100 8157: 5831: 5718: 5458: 5402: 4046: 3833: 3488: 2991:Neyman, J; Pearson, E. S. (January 1, 1933). 2990: 2123: 357:Hypothesis testing and philosophy intersect. 141:" in order to determine whether outcomes are 5394:: CS1 maint: multiple names: authors list ( 5228: 5226: 5159: 5112: 5110: 5108: 4482: 4407: 4265: 4161: 3911:Richard J. Larsen; Donna Fox Stroup (1976). 3484: 3482: 3079: 3077: 3075: 3073: 2887: 2687: 1148:: "the defendant is guilty". The first one, 87: 5424:Journal of Experimental Psychology: General 5417:"Bayesian Estimation Supersedes the T Test" 5075: 4483:Kaye, David H.; Freedman, David A. (2011). 4199:(Third ed.), Wiley, pp. 157–176, 4188: 4047:Hughes, Ann J.; Grawoig, Dennis E. (1971). 3428:The College Board (relates to USA students) 2823: 2789: 2745: 2341:supporters suggest a less absolute change. 9119:Centers for Disease Control and Prevention 8164: 8150: 5876: 5838: 5824: 5793:How to choose the correct statistical test 5670:"R. A. Fisher on Bayes and Bayes' theorem" 5635:"The Case for Objective Bayesian Analysis" 5506: 4994: 4865: 4536: 4534: 4212: 4055:. Reading, Mass.: Addison-Wesley. p.  3973:Introduction to the Practice of Statistics 3834:Lehmann, E. L.; Romano, Joseph P. (2005). 3811: 3792: 3679: 3361: 3330: 3293: 3141: 3139: 3137: 1497:= 25 the probability of such an error is: 989:Nonparametric bootstrap hypothesis testing 660:Testing the claims of handwriting analysts 9079:Centre for Disease Prevention and Control 9069:Center for Disease Control and Prevention 6489: 5764:"Statistical hypotheses, verification of" 5746: 5685: 5650: 5600: 5530: 5363: 5223: 5105: 5024:Educational and Psychological Measurement 4795: 4764: 4720:What If There Were No Significance Tests? 4627: 4586: 4221:Applied Nonparametric Statistical Methods 4138: 4023: 4013: 3887: 3821:, Edinburgh: Oliver and Boyd, 1925, p.43. 3664: 3623: 3506: 3479: 3375: 3267: 3257: 3070: 3018: 2870: 2693: 5579: 5467: 5411: 5021: 4741: 4739: 4636: 4274:"MĂ©moire sur les probabilitĂ©s (XIX, XX)" 3819:Statistical Methods for Research Workers 3048:10.7326/0003-4819-130-12-199906150-00008 2694:Bellhouse, P. (2001), "John Arbuthnot", 1321: 814: 654:Selecting the best means to stop smoking 27:and their corresponding tests or models. 18: 9124:Health departments in the United States 5810:p-value and hypothesis test calculators 5667: 5069: 4953: 4568: 4531: 4489:Reference Manual on Scientific Evidence 4310: 4271: 4242: 4223:(Second ed.), Chapman & Hall, 4194: 4166:The Descent of Human Sex Ratio at Birth 3929: 3864:"Scientific method: Statistical errors" 3463: 3145: 3134: 3083: 3033: 2829: 2795: 2754: 1407:    (just guessing) 9316: 9129:Council on Education for Public Health 7802:Kaplan–Meier estimator (product limit) 5632: 5314: 5194: 5153: 5056: 4711: 4609: 4437: 4341: 4335: 4218: 3904: 3180: 3110: 2949: 2852: 1290: 751:Notation in probability and statistics 744: 9187:Professional degrees of public health 9094:Ministry of Health and Family Welfare 8145: 7875: 7442: 7189: 6488: 6258: 5875: 5819: 5802: 5715:(followed by reprinting of the paper) 5705:Breakthroughs in Statistics, Volume 1 5292: 4959: 4908: 4837: 4745: 4736: 4667: 4540: 4247:. Harvard University Press. pp.  4051:Statistics: A Foundation for Analysis 3970: 3964: 3858: 3829: 3827: 3555: 3431: 2717: 2666: 2483:based on the data alone) followed by 2208:. Null hypotheses should be at least 1468:   (true clairvoyant). 1326:A person (the subject) is tested for 1121:: "the defendant is not guilty", and 1050: = 1/2 significance level. 626: 9284: 9177:Bachelor of Science in Public Health 8112: 7812:Accelerated failure time (AFT) model 5561: 5519:International Journal of Forecasting 4692: 4686: 4385:R.A. Fisher, The Life of a Scientist 3437: 2903:P Values are not Error Probabilities 2323:correlation does not imply causation 2094:. For the above example, we select: 1299:Few beans of this handful are white. 642:Establishing authorship of documents 505: 451:with known degrees of freedom, or a 381:correlation does not imply causation 158:Modern origins and early controversy 81: 9296: 8445:Workers' right to access the toilet 8286:Human right to water and sanitation 8124: 7407:Analysis of variance (ANOVA, anova) 6259: 5564:Bayes factors and model uncertainty 4571:"The History of Statistics in 1933" 4569:Stigler, Stephen M. (August 1996). 4511: 4505: 4382: 4357:]. Courier Dover Publications. 4347:"Mathematics of a Lady Tasting Tea" 3838:(3E ed.). New York: Springer. 2156:are treated on a more equal basis. 1305:This is an hypothetical inference. 1060: 886:rejecting the null hypothesis. The 525: 13: 7502:Cochran–Mantel–Haenszel statistics 6128:Pearson product-moment correlation 5719:Neyman, J.; Pearson, E.S. (1933). 5697: 5318:Statistical Methods for Psychology 5209:10.1111/j.1467-9280.1997.tb00534.x 4817:10.1093/oxfordjournals.aje.a112313 4351:The World of Mathematics, volume 3 4197:Practical Nonparametric Statistics 3824: 3795:Design and analysis of experiments 3770:Design and Analysis of Experiments 3296:The American Journal of Psychology 2971:10.1111/j.2517-6161.1955.tb00180.x 2346:American Psychological Association 1853: 1345:probability of guessing correctly 1255:Do not reject the null hypothesis 1082: 1012: 266:University of California, Berkeley 14: 9350: 8718:Commercial determinants of health 8171: 5756: 5059:Thinking Clearly About Psychology 4645:The Significance Test Controversy 2191:Neyman–Pearson hypothesis testing 2187:prior to the collection of data. 1301:Most beans in this bag are white. 548: 277:-values and significance levels. 9295: 9283: 9272: 9271: 8301:National public health institute 8123: 8111: 8099: 8086: 8085: 7876: 5541:10.1016/j.ijforecast.2007.03.004 4805:American Journal of Epidemiology 4775:. University of Michigan Press. 4387:. New York: Wiley. p. 134. 4280:. Vol. 9. pp. 429–438. 3721:"Testing Statistical Hypotheses" 3565:International Statistical Review 2667:Kanji, Gopal K. (18 July 2006). 2586:Modifiable temporal unit problem 2501: 970:Most powerful test: For a given 307:Fisher's null hypothesis testing 43:or equivalently by evaluating a 8698:Open-source healthcare software 8440:Sociology of health and illness 7761:Least-squares spectral analysis 5661: 5626: 5573: 5555: 5321:(5 ed.). Duxbury. p.  5308: 5262: 5188: 5050: 5015: 4902: 4859: 4831: 4789: 4722:. Lawrence Erlbaum Associates. 4661: 4603: 4562: 4485:"Reference Guide on Statistics" 4476: 4456: 4431: 4401: 4376: 4304: 4236: 4155: 4109: 4100: 4091: 4082: 4073: 4040: 3989: 3852: 3786: 3757: 3713: 3653:Journal of Statistics Education 3640: 3591: 3549: 3515: 3419: 3400: 3225: 3174: 3104: 3027: 2591:Multivariate hypothesis testing 2372: 1365: 741:but liars figure" (anonymous). 310:Neyman–Pearson decision theory 16:Method of statistical inference 9324:Statistical hypothesis testing 9059:Caribbean Public Health Agency 8871:Sexually transmitted infection 8768:Statistical hypothesis testing 8529:Occupational safety and health 8430:Sexual and reproductive health 8343:Occupational safety and health 6742:Mean-unbiased minimum-variance 5845: 4997:The Journal of Socio-Economics 4852:10.1080/01621459.1951.10500764 4672:. Chichester New York: Wiley. 4555:10.1080/00401706.1960.10489909 4369:Originally from Fisher's book 3836:Testing Statistical Hypotheses 3666:10.1080/10691898.2009.11889514 3604:Journal of Marketing Education 3098:10.1080/01621459.1993.10476404 2846: 2757:"MĂ©moire sur les probabilitĂ©s" 2711: 2660: 2633: 2616:Bayesian information criterion 2606:Almost sure hypothesis testing 2022: 1986: 1710: 1674: 1547: 1511: 466:. Common values are 5% and 1%. 1: 8713:Social determinants of health 8055:Geographic information system 7271:Simultaneous equations models 4349:. In James Roy Newman (ed.). 3203:10.1126/science.156.3781.1456 2627: 2581:Modifiable areal unit problem 2456:'s significance testing, nor 1349:. The hypotheses, then, are: 932:Statistical significance test 673:Journal of Applied Psychology 458:Select a significance level ( 455:with known mean and variance. 352: 52:specialized statistical tests 8773:Analysis of variance (ANOVA) 8534:Human factors and ergonomics 7238:Coefficient of determination 6849:Uniformly most powerful test 5580:Rozeboom, William W (1960). 5513:Armstrong, J. Scott (2007). 4408:C. S. Peirce (August 1878). 4311:Stigler, Stephen M. (1986). 4278:Oeuvres complĂštes de Laplace 4243:Stigler, Stephen M. (1986). 3793:Montgomery, Douglas (2009). 3725:Springer Texts in Statistics 3543:10.1016/j.edurev.2007.04.001 3444:. New York: Norton. p.  2698:, Springer, pp. 39–42, 2611:Akaike information criterion 2272: 1268: 1253: 982:Uniformly most powerful test 390: 7: 8954:Good manufacturing practice 8758:Randomized controlled trial 7807:Proportional hazards models 7751:Spectral density estimation 7733:Vector autoregression (VAR) 7167:Maximum posterior estimator 6399:Randomized controlled trial 5791:Statistical Tests Overview: 5769:Encyclopedia of Mathematics 5090:10.1037/0003-066X.49.12.997 5009:10.1016/j.socec.2004.09.033 3531:Educational Research Review 3113:"The Nature of Probability" 2544:Complete spatial randomness 2494: 2235:statistical process control 1007: 907:for exhaustive definitions. 901:sensitivity and specificity 686: 33:statistical hypothesis test 10: 9355: 9024:Theory of planned behavior 8949:Good agricultural practice 8854:Public health surveillance 8746:epidemiological statistics 8390:Public health intervention 7567:Multivariate distributions 5987:Average absolute deviation 5247:10.1037/0003-066X.54.8.594 5036:10.1177/001316446002000401 4796:Cornfield, Jerome (1976). 3441:How to lie with statistics 2908:September 4, 2013, at the 2739:10.1207/s15327965pli0102_1 2533:Checking if a coin is fair 2528:Bootstrapping (statistics) 2382: 2376: 2276: 2124:Variations and sub-classes 1656:Being less critical, with 1064: 1016: 995:Bootstrapping (statistics) 992: 748: 462:), the maximum acceptable 394: 224:there was no concept of a 175:Pearson's chi-squared test 76:(1770s), in analyzing the 61: 57: 9267: 9202: 9161: 9146:World Toilet Organization 9141:World Health Organization 9048: 9037: 8974: 8899: 8815: 8743: 8708:Public health informatics 8648: 8453: 8415:Right to rest and leisure 8244:Globalization and disease 8179: 8081: 8035: 7972: 7925: 7888: 7884: 7871: 7843: 7825: 7792: 7783: 7741: 7688: 7649: 7598: 7589: 7555:Structural equation model 7510: 7467: 7463: 7438: 7397: 7363: 7317: 7284: 7246: 7213: 7209: 7185: 7125: 7034: 6953: 6917: 6908: 6891:Score/Lagrange multiplier 6876: 6829: 6774: 6700: 6691: 6501: 6497: 6484: 6443: 6417: 6369: 6324: 6306:Sample size determination 6271: 6267: 6254: 6158: 6113: 6087: 6069: 6025: 5977: 5897: 5888: 5884: 5871: 5853: 5131:10.1037/1082-989X.5.2.241 4610:Berger, James O. (2003). 4383:Box, Joan Fisher (1978). 2817:10.1080/14786440009463897 2770:: 227–332. Archived from 2291:-value is dependent upon 2263:sample size determination 2185:sample size determination 2140:that a default position ( 938:statistically significant 905:type I and type II errors 211:principle of indifference 148:principle of indifference 137:develops the concept of " 88:Choice of null hypothesis 9192:Schools of public health 8984:Diffusion of innovations 8683:Health impact assessment 8395:Public health laboratory 8291:Management of depression 8050:Environmental statistics 7572:Elliptical distributions 7365:Generalized linear model 7294:Simple linear regression 7064:Hodges–Lehmann estimator 6521:Probability distribution 6430:Stochastic approximation 5992:Coefficient of variation 5492:10.1177/2515245918771304 5174:10.1177/0959354314525282 4514:Basic probability theory 4015:10.4103/2229-3485.179436 3950:10.1177/0959354397074006 3797:. Hoboken, N.J.: Wiley. 3616:10.1177/0273475306288399 3556:Moore, David S. (1997). 2435:probability distribution 2287:The interpretation of a 2169:Bayesian decision theory 1493:, or Type I error. With 1224:error of the second kind 449:Student's t distribution 183:Student's t-distribution 9255:Social hygiene movement 9182:Doctor of Public Health 9014:Social cognitive theory 8816:Infectious and epidemic 8598:Fecal–oral transmission 7710:Cross-correlation (XCF) 7318:Non-standard predictors 6752:Lehmann–ScheffĂ© theorem 6425:Adaptive clinical trial 5162:Theory & Psychology 4909:Meehl, Paul E. (1967). 4668:Oakes, Michael (1986). 4414:Popular Science Monthly 4116:John Arbuthnot (1710). 3680:Gigerenzer, G. (2004). 3259:10.1073/pnas.68.11.2643 2930:{\displaystyle \alpha } 2646:. Heather Hills Press. 1415:alternative hypothesis 1270:Reject null hypothesis 1218:error of the first kind 586:{\displaystyle \alpha } 566:{\displaystyle \alpha } 291:-value in place of the 9250:Germ theory of disease 9029:Transtheoretical model 8106:Mathematics portal 7927:Engineering statistics 7835:Nelson–Aalen estimator 7412:Analysis of covariance 7299:Ordinary least squares 7223:Pearson product-moment 6627:Statistical functional 6538:Empirical distribution 6371:Controlled experiments 6100:Frequency distribution 5878:Descriptive statistics 5748:10.1098/rsta.1933.0009 5633:Berger, James (2006). 5589:Psychological Bulletin 5315:Howell, David (2002). 4962:Psychological Bulletin 4647:. Aldine Transaction. 4438:Jaynes, E. T. (2007). 4140:10.1098/rstl.1710.0011 3489:E. L. Lehmann (1997). 3438:Huff, Darrell (1993). 3020:10.1098/rsta.1933.0009 2931: 2523:Behrens–Fisher problem 2154:alternative hypothesis 2152:in which the null and 2114: 2079: 1942: 1845: 1780: 1642: 1462: 1401: 1307: 1210:alternative hypothesis 1202: 1169: 1142: 1115: 829: 805:Alternative hypothesis 760:Statistical hypothesis 587: 567: 494:if the observed value 476:of the test statistic 359:Inferential statistics 218:Gaussian distributions 126:Weldon dice throw data 82:§ Human sex ratio 64:History of probability 28: 9329:Design of experiments 9134:Public Health Service 9019:Social norms approach 9009:PRECEDE–PROCEED model 8455:Preventive healthcare 8348:Pharmaceutical policy 8197:Chief Medical Officer 8022:Population statistics 7964:System identification 7698:Autocorrelation (ACF) 7626:Exponential smoothing 7540:Discriminant analysis 7535:Canonical correlation 7399:Partition of variance 7261:Regression validation 7105:(Jonckheere–Terpstra) 7004:Likelihood-ratio test 6693:Frequentist inference 6605:Location–scale family 6526:Sampling distribution 6491:Statistical inference 6458:Cross-sectional study 6445:Observational studies 6404:Randomized experiment 6233:Stem-and-leaf display 6035:Central limit theorem 5235:American Psychologist 5197:Psychological Science 5119:Psychological Methods 5078:American Psychologist 4918:Philosophy of Science 4697:. SAGE Publications. 4693:Chow, Siu L. (1997). 4629:10.1214/ss/1056397485 4588:10.1214/ss/1032280216 4371:Design of Experiments 4355:Design of Experiments 4343:Fisher, Sir Ronald A. 3971:Moore, David (2003). 3938:Theory and Psychology 3733:10.1007/0-387-27605-x 3697:10.4135/9781412986311 3508:10.1214/ss/1029963261 2932: 2872:10.1214/ss/1177012488 2727:Psychological Inquiry 2670:100 Statistical Tests 2576:Look-elsewhere effect 2566:tests of significance 2400:or Bayesian methods. 2395:estimation statistics 2379:Estimation statistics 2358:Journal of Physiology 2279:p-value § Misuse 2165:posterior probability 2130:frequentist inference 2115: 2080: 1943: 1825: 1760: 1643: 1463: 1402: 1322:Clairvoyant card game 1297: 1203: 1201:{\displaystyle H_{1}} 1170: 1168:{\displaystyle H_{0}} 1143: 1141:{\displaystyle H_{1}} 1116: 1114:{\displaystyle H_{0}} 1027:(1710), and later by 818: 666:statistical inference 588: 568: 533:design of experiments 385:design of experiments 371:philosophy of science 22: 9334:Logic and statistics 9210:Sara Josephine Baker 9109:Public Health Agency 8994:Health communication 8859:Disease surveillance 8825:Asymptomatic carrier 8807:Statistical software 8495:Preventive nutrition 8323:Medical anthropology 8212:Environmental health 7945:Probabilistic design 7530:Principal components 7373:Exponential families 7325:Nonlinear regression 7304:General linear model 7266:Mixed effects models 7256:Errors and residuals 7233:Confounding variable 7135:Bayesian probability 7113:Van der Waerden test 7103:Ordered alternative 6868:Multiple comparisons 6747:Rao–Blackwellization 6710:Estimating equations 6666:Statistical distance 6384:Factorial experiment 5917:Arithmetic-Geometric 5733:(694–706): 289–337. 5562:Kass, R. E. (1993). 4947:on December 3, 2013. 4512:Ash, Robert (1970). 4464:Theory of Statistics 4462:Schervish, M (1996) 4272:Laplace, P. (1778). 4133:(325–336): 186–190. 3817:R. A. Fisher (1925). 3691:. pp. 391–408. 3111:Fisher, R N (1958). 3005:(694–706): 289–337. 2921: 2755:Laplace, P. (1778). 2601:Dichotomous thinking 2412:parameter estimation 2366:confidence intervals 2198:Neyman–Pearson lemma 2113:{\displaystyle c=13} 2098: 1980: 1972:is calculated thus: 1668: 1505: 1419: 1357: 1185: 1152: 1125: 1098: 1029:Pierre-Simon Laplace 577: 557: 397:Statistics education 195:analysis of variance 179:William Sealy Gosset 95:has argued that the 74:Pierre-Simon Laplace 72:(1710), followed by 9220:Carl Rogers Darnall 9215:Samuel Jay Crumbine 8989:Health belief model 8842:Notifiable diseases 8778:Regression analysis 8613:Waterborne diseases 8202:Cultural competence 8017:Official statistics 7940:Methods engineering 7621:Seasonal adjustment 7389:Poisson regressions 7309:Bayesian regression 7248:Regression analysis 7228:Partial correlation 7200:Regression analysis 6799:Prediction interval 6794:Likelihood interval 6784:Confidence interval 6776:Interval estimation 6737:Unbiased estimators 6555:Model specification 6435:Up-and-down designs 6123:Partial correlation 6079:Index of dispersion 5997:Interquartile range 5739:1933RSPTA.231..289N 5668:Aldrich, J (2008). 4746:Kline, Rex (2004). 4616:Statistical Science 4575:Statistical Science 4516:. New York: Wiley. 4466:, p. 218. Springer 4219:Sprent, P. (1989), 3880:2014Natur.506..150N 3764:Hinkelmann, Klaus; 3600:Armstrong, J. Scott 3495:Statistical Science 3472:Statistical Methods 3386:10.1093/bjps/axl003 3250:1971PNAS...68.2643L 3195:1967Sci...156.1456N 3189:(3781): 1456–1460. 3160:10.1093/bjps/axi152 3011:1933RSPTA.231..289N 2859:Statistical Science 2830:Pearson, K (1904). 2796:Pearson, K (1900). 2489:inductive behaviour 2485:inductive inference 2468:in the form of the 1291:Philosopher's beans 1040:non-parametric test 848:Region of rejection 745:Definition of terms 464:false positive rate 453:normal distribution 300: 247:by the researcher. 245:inductive inference 54:have been defined. 8818:disease prevention 8753:Case–control study 8425:Security of person 8274:Health care reform 8037:Spatial statistics 7917:Medical statistics 7817:First hitting time 7771:Whittle likelihood 7422:Degrees of freedom 7417:Multivariate ANOVA 7350:Heteroscedasticity 7162:Bayesian estimator 7127:Bayesian inference 6976:Kolmogorov–Smirnov 6861:Randomization test 6831:Testing hypotheses 6804:Tolerance interval 6715:Maximum likelihood 6610:Exponential family 6543:Density estimation 6503:Statistical theory 6463:Natural experiment 6409:Scientific control 6326:Survey methodology 6012:Standard deviation 5803:Online calculators 3598:Hubbard, Raymond; 3412:July 28, 2012, at 3148:Br. J. Philos. Sci 3092:(424): 1242–1249. 2950:Fisher, R (1955). 2927: 2853:Zabell, S (1989). 2540:test decision tree 2509:Mathematics portal 2408:Bayesian inference 2206:proving a negative 2134:Bayesian inference 2110: 2075: 1938: 1638: 1481:? With the choice 1458: 1456: 1397: 1395: 1198: 1181:. The second one, 1165: 1138: 1111: 976:significance level 911:Significance level 830: 707:clever Hans effect 627:Use and importance 583: 563: 298: 228:(false negative). 29: 9311: 9310: 9263: 9262: 9173:Higher education 9004:Positive deviance 8999:Health psychology 8975:Health behavioral 8902:safety management 8876:Social distancing 8650:Population health 8630:Smoking cessation 8578:Pharmacovigilance 8549:Injury prevention 8517:Infection control 8435:Social psychology 8385:Prisoners' rights 8328:Medical sociology 8296:Public health law 8192:Biological hazard 8139: 8138: 8077: 8076: 8073: 8072: 8012:National accounts 7982:Actuarial science 7974:Social statistics 7867: 7866: 7863: 7862: 7859: 7858: 7794:Survival function 7779: 7778: 7641:Granger causality 7482:Contingency table 7457:Survival analysis 7434: 7433: 7430: 7429: 7286:Linear regression 7181: 7180: 7177: 7176: 7152:Credible interval 7121: 7120: 6904: 6903: 6720:Method of moments 6589:Parametric family 6550:Statistical model 6480: 6479: 6476: 6475: 6394:Random assignment 6316:Statistical power 6250: 6249: 6246: 6245: 6095:Contingency table 6065: 6064: 5932:Generalized/power 5674:Bayesian Analysis 5639:Bayesian Analysis 5358:(23): 5131–5133. 5332:978-0-534-37770-0 4782:978-0-472-05007-9 4729:978-0-8058-2634-0 4704:978-0-7619-5205-3 4654:978-0-202-30879-1 4498:978-0-309-21421-6 4449:978-0-521-59271-0 4394:978-0-471-09300-8 4364:978-0-486-41151-4 4328:978-0-674-40340-6 4230:978-0-412-44980-2 4206:978-0-471-16068-7 4181:978-1-4020-6036-6 4002:Perspect Clin Res 3874:(7487): 150–152. 3845:978-0-387-98864-1 3804:978-0-470-12866-4 3779:978-0-470-38551-7 3766:Kempthorne, Oscar 3742:978-0-387-98864-1 3455:978-0-393-31072-6 3348:978-0-521-39838-1 3244:(11): 2643–2646. 3120:Centennial Review 2896:Raymond Hubbard, 2777:on April 27, 2015 2718:Meehl, P (1990). 2705:978-0-387-95329-8 2680:978-1-4462-2250-8 2653:978-1-4840-5299-0 2571:Granger causality 2470:prior probability 2391:interval estimate 2177:optimal decisions 2062: 2020: 1992: 1920: 1888: 1860: 1815: 1750: 1708: 1680: 1610: 1587: 1545: 1517: 1455: 1425: 1394: 1363: 1284: 1283: 1241:Truly not guilty 778:Simple hypothesis 681:scientific method 506:Practical example 350: 349: 199:significance test 9346: 9299: 9298: 9287: 9286: 9275: 9274: 9169:Health education 9046: 9045: 8900:Food hygiene and 8881:Tropical disease 8693:Infant mortality 8668:Community health 8544:Controlled Drugs 8480:Health promotion 8410:Right to housing 8254:Health economics 8166: 8159: 8152: 8143: 8142: 8127: 8126: 8115: 8114: 8104: 8103: 8089: 8088: 7992:Crime statistics 7886: 7885: 7873: 7872: 7790: 7789: 7756:Fourier analysis 7743:Frequency domain 7723: 7670: 7636:Structural break 7596: 7595: 7545:Cluster analysis 7492:Log-linear model 7465: 7464: 7440: 7439: 7381: 7355:Homoscedasticity 7211: 7210: 7187: 7186: 7106: 7098: 7090: 7089:(Kruskal–Wallis) 7074: 7059: 7014:Cross validation 6999: 6981:Anderson–Darling 6928: 6915: 6914: 6886:Likelihood-ratio 6878:Parametric tests 6856:Permutation test 6839:1- & 2-tails 6730:Minimum distance 6702:Point estimation 6698: 6697: 6649:Optimal decision 6600: 6499: 6498: 6486: 6485: 6468:Quasi-experiment 6418:Adaptive designs 6269: 6268: 6256: 6255: 6133:Rank correlation 5895: 5894: 5886: 5885: 5873: 5872: 5840: 5833: 5826: 5817: 5816: 5777: 5752: 5750: 5692: 5691: 5689: 5687:10.1214/08-BA306 5665: 5659: 5656: 5654: 5652:10.1214/06-ba115 5630: 5624: 5622: 5611:10.1037/h0042040 5604: 5586: 5577: 5571: 5570: 5568: 5559: 5553: 5552: 5534: 5510: 5504: 5503: 5477: 5465: 5456: 5455: 5436:10.1037/a0029146 5421: 5415:(July 9, 2012). 5409: 5400: 5399: 5393: 5385: 5367: 5365:10.1113/JP285575 5343: 5337: 5336: 5312: 5306: 5296: 5290: 5289: 5283: 5281: 5276:on July 16, 2012 5272:. Archived from 5266: 5260: 5258: 5230: 5221: 5220: 5192: 5186: 5185: 5157: 5151: 5150: 5114: 5103: 5101: 5084:(12): 997–1003. 5073: 5067: 5066: 5054: 5048: 5047: 5019: 5013: 5012: 4992: 4986: 4985: 4974:10.1037/h0020412 4957: 4951: 4948: 4946: 4940:. Archived from 4915: 4906: 4900: 4899: 4863: 4857: 4855: 4835: 4829: 4828: 4802: 4793: 4787: 4786: 4768: 4762: 4761: 4743: 4734: 4733: 4715: 4709: 4708: 4690: 4684: 4683: 4665: 4659: 4658: 4640: 4634: 4633: 4631: 4607: 4601: 4600: 4590: 4566: 4560: 4558: 4538: 4529: 4527: 4509: 4503: 4502: 4480: 4474: 4460: 4454: 4453: 4435: 4429: 4428: 4426: 4424: 4405: 4399: 4398: 4380: 4374: 4368: 4339: 4333: 4332: 4308: 4302: 4301: 4295: 4291: 4289: 4281: 4269: 4263: 4262: 4258:978-0-67440341-3 4240: 4234: 4233: 4216: 4210: 4209: 4192: 4186: 4185: 4169: 4159: 4153: 4152: 4142: 4122: 4113: 4107: 4104: 4098: 4095: 4089: 4086: 4080: 4077: 4071: 4070: 4054: 4044: 4038: 4037: 4027: 4017: 3993: 3987: 3986: 3968: 3962: 3961: 3933: 3927: 3926: 3908: 3902: 3901: 3891: 3856: 3850: 3849: 3831: 3822: 3815: 3809: 3808: 3790: 3784: 3783: 3761: 3755: 3754: 3717: 3711: 3710: 3686: 3677: 3671: 3670: 3668: 3644: 3638: 3637: 3627: 3595: 3589: 3588: 3562: 3553: 3547: 3546: 3528: 3519: 3513: 3512: 3510: 3486: 3477: 3475: 3467: 3461: 3459: 3435: 3429: 3423: 3417: 3404: 3398: 3397: 3379: 3359: 3353: 3352: 3334: 3328: 3327: 3308:10.2307/20445367 3291: 3282: 3281: 3271: 3261: 3229: 3223: 3222: 3178: 3172: 3171: 3143: 3132: 3131: 3117: 3108: 3102: 3101: 3081: 3068: 3067: 3042:(12): 995–1004. 3031: 3025: 3024: 3022: 2988: 2975: 2974: 2956: 2947: 2938: 2936: 2934: 2933: 2928: 2894: 2885: 2884: 2874: 2850: 2844: 2843: 2827: 2821: 2820: 2802: 2793: 2787: 2786: 2784: 2782: 2776: 2761: 2752: 2743: 2742: 2724: 2715: 2709: 2708: 2691: 2685: 2684: 2664: 2658: 2657: 2637: 2511: 2506: 2505: 2420:John K. Kruschke 2307:publication bias 2239:detection theory 2202:likelihood ratio 2119: 2117: 2116: 2111: 2086: 2084: 2082: 2081: 2076: 2068: 2064: 2063: 2055: 2021: 2018: 2016: 2015: 2003: 2002: 1993: 1990: 1949: 1947: 1945: 1944: 1939: 1931: 1930: 1925: 1921: 1913: 1906: 1905: 1894: 1890: 1889: 1881: 1867: 1866: 1865: 1852: 1844: 1839: 1821: 1817: 1816: 1808: 1779: 1774: 1756: 1752: 1751: 1743: 1709: 1706: 1704: 1703: 1691: 1690: 1681: 1678: 1649: 1647: 1645: 1644: 1639: 1637: 1636: 1621: 1620: 1615: 1611: 1603: 1593: 1589: 1588: 1580: 1546: 1543: 1541: 1540: 1528: 1527: 1518: 1515: 1467: 1465: 1464: 1459: 1457: 1448: 1436: 1435: 1426: 1423: 1406: 1404: 1403: 1398: 1396: 1387: 1375: 1374: 1364: 1361: 1353:null hypothesis 1230: 1229: 1208:, is called the 1207: 1205: 1204: 1199: 1197: 1196: 1175:, is called the 1174: 1172: 1171: 1166: 1164: 1163: 1147: 1145: 1144: 1139: 1137: 1136: 1120: 1118: 1117: 1112: 1110: 1109: 1073:Lady tasting tea 1067:Lady tasting tea 1061:Lady tasting tea 999:Bootstrap-based 934: 933: 858: 857: 850: 849: 838: 837: 780: 779: 714:Hawthorne effect 592: 590: 589: 584: 572: 570: 569: 564: 535:considerations. 301: 297: 282:signal detection 121:chi squared test 9354: 9353: 9349: 9348: 9347: 9345: 9344: 9343: 9314: 9313: 9312: 9307: 9259: 9230:Margaret Sanger 9198: 9157: 9041: 9039: 9033: 8976: 8970: 8942:Safety scandals 8901: 8895: 8817: 8811: 8745: 8739: 8735:Social medicine 8728:Race and health 8663:Child mortality 8644: 8603:Open defecation 8485:Human nutrition 8475:Family planning 8463:Behavior change 8449: 8405:Right to health 8318:Maternal health 8308:Health politics 8259:Health literacy 8175: 8170: 8140: 8135: 8098: 8069: 8031: 7968: 7954:quality control 7921: 7903:Clinical trials 7880: 7855: 7839: 7827:Hazard function 7821: 7775: 7737: 7721: 7684: 7680:Breusch–Godfrey 7668: 7645: 7585: 7560:Factor analysis 7506: 7487:Graphical model 7459: 7426: 7393: 7379: 7359: 7313: 7280: 7242: 7205: 7204: 7173: 7117: 7104: 7096: 7088: 7072: 7057: 7036:Rank statistics 7030: 7009:Model selection 6997: 6955:Goodness of fit 6949: 6926: 6900: 6872: 6825: 6770: 6759:Median unbiased 6687: 6598: 6531:Order statistic 6493: 6472: 6439: 6413: 6365: 6320: 6263: 6261:Data collection 6242: 6154: 6109: 6083: 6061: 6021: 5973: 5890:Continuous data 5880: 5867: 5849: 5844: 5805: 5762: 5759: 5700: 5698:Further reading 5695: 5666: 5662: 5631: 5627: 5602:10.1.1.398.9002 5584: 5578: 5574: 5566: 5560: 5556: 5532:10.1.1.343.9516 5511: 5507: 5475: 5471:(May 8, 2018). 5466: 5459: 5419: 5410: 5403: 5387: 5386: 5344: 5340: 5333: 5313: 5309: 5297: 5293: 5279: 5277: 5268: 5267: 5263: 5231: 5224: 5193: 5189: 5158: 5154: 5115: 5106: 5074: 5070: 5055: 5051: 5020: 5016: 4993: 4989: 4958: 4954: 4944: 4913: 4907: 4903: 4880:10.2307/2982993 4864: 4860: 4836: 4832: 4800: 4794: 4790: 4783: 4769: 4765: 4758: 4744: 4737: 4730: 4716: 4712: 4705: 4691: 4687: 4680: 4666: 4662: 4655: 4641: 4637: 4608: 4604: 4567: 4563: 4539: 4532: 4524: 4510: 4506: 4499: 4481: 4477: 4461: 4457: 4450: 4436: 4432: 4422: 4420: 4406: 4402: 4395: 4381: 4377: 4365: 4340: 4336: 4329: 4309: 4305: 4293: 4292: 4283: 4282: 4270: 4266: 4259: 4241: 4237: 4231: 4217: 4213: 4207: 4193: 4189: 4182: 4160: 4156: 4120: 4114: 4110: 4105: 4101: 4096: 4092: 4087: 4083: 4078: 4074: 4067: 4045: 4041: 3994: 3990: 3983: 3969: 3965: 3934: 3930: 3923: 3909: 3905: 3889:10.1038/506150a 3857: 3853: 3846: 3832: 3825: 3816: 3812: 3805: 3791: 3787: 3780: 3762: 3758: 3743: 3719: 3718: 3714: 3707: 3684: 3678: 3674: 3645: 3641: 3596: 3592: 3577:10.2307/1403333 3560: 3554: 3550: 3526: 3520: 3516: 3487: 3480: 3468: 3464: 3456: 3436: 3432: 3424: 3420: 3405: 3401: 3377:10.1.1.130.8131 3360: 3356: 3349: 3335: 3331: 3292: 3285: 3230: 3226: 3179: 3175: 3144: 3135: 3115: 3109: 3105: 3082: 3071: 3032: 3028: 2989: 2978: 2954: 2948: 2941: 2922: 2919: 2918: 2910:Wayback Machine 2895: 2888: 2851: 2847: 2828: 2824: 2811:(50): 157–175. 2800: 2794: 2790: 2780: 2778: 2774: 2759: 2753: 2746: 2722: 2716: 2712: 2706: 2692: 2688: 2681: 2665: 2661: 2654: 2638: 2634: 2630: 2625: 2559:Fisher's method 2538:Comparing means 2507: 2500: 2497: 2387: 2381: 2375: 2350:medical journal 2281: 2275: 2243:decision theory 2193: 2173:decision theory 2150:decision theory 2142:null hypothesis 2126: 2099: 2096: 2095: 2054: 2035: 2031: 2017: 2011: 2007: 1998: 1994: 1989: 1981: 1978: 1977: 1976: 1926: 1912: 1908: 1907: 1895: 1880: 1873: 1869: 1868: 1861: 1848: 1847: 1846: 1840: 1829: 1807: 1788: 1784: 1775: 1764: 1742: 1723: 1719: 1705: 1699: 1695: 1686: 1682: 1677: 1669: 1666: 1665: 1664: 1629: 1625: 1616: 1602: 1598: 1597: 1579: 1560: 1556: 1542: 1536: 1532: 1523: 1519: 1514: 1506: 1503: 1502: 1501: 1446: 1431: 1427: 1422: 1420: 1417: 1416: 1385: 1370: 1366: 1360: 1358: 1355: 1354: 1324: 1304: 1302: 1300: 1293: 1280:Right decision 1276: 1275:Wrong decision 1271: 1264: 1263:Wrong decision 1260:Right decision 1256: 1249: 1247: 1240: 1238: 1192: 1188: 1186: 1183: 1182: 1178:null hypothesis 1159: 1155: 1153: 1150: 1149: 1132: 1128: 1126: 1123: 1122: 1105: 1101: 1099: 1096: 1095: 1085: 1083:Courtroom trial 1069: 1063: 1021: 1019:Human sex ratio 1015: 1013:Human sex ratio 1010: 997: 991: 931: 930: 869:(1 âˆ’  867:Power of a test 856:Critical region 855: 854: 847: 846: 835: 834: 827: 823: 810: 797: 792:Null hypothesis 777: 776: 753: 747: 689: 629: 578: 575: 574: 558: 555: 554: 551: 508: 500: 497: 493: 490: 479: 475: 472: 443: 428: 399: 393: 355: 191:null hypothesis 160: 97:epistemological 90: 78:human sex ratio 66: 60: 25:test statistics 17: 12: 11: 5: 9352: 9342: 9341: 9336: 9331: 9326: 9309: 9308: 9306: 9305: 9293: 9281: 9268: 9265: 9264: 9261: 9260: 9258: 9257: 9252: 9247: 9242: 9237: 9232: 9227: 9222: 9217: 9212: 9206: 9204: 9200: 9199: 9197: 9196: 9195: 9194: 9189: 9184: 9179: 9171: 9165: 9163: 9159: 9158: 9156: 9155: 9148: 9143: 9138: 9137: 9136: 9131: 9126: 9121: 9113: 9112: 9111: 9106: 9098: 9097: 9096: 9088: 9087: 9086: 9081: 9073: 9072: 9071: 9063: 9062: 9061: 9052: 9050: 9043: 9038:Organizations, 9035: 9034: 9032: 9031: 9026: 9021: 9016: 9011: 9006: 9001: 8996: 8991: 8986: 8980: 8978: 8972: 8971: 8969: 8968: 8967: 8966: 8961: 8951: 8946: 8945: 8944: 8939: 8934: 8929: 8924: 8919: 8914: 8905: 8903: 8897: 8896: 8894: 8893: 8888: 8883: 8878: 8873: 8868: 8863: 8862: 8861: 8851: 8850: 8849: 8839: 8838: 8837: 8827: 8821: 8819: 8813: 8812: 8810: 8809: 8804: 8803: 8802: 8794: 8785: 8780: 8775: 8765: 8760: 8755: 8749: 8747: 8744:Biological and 8741: 8740: 8738: 8737: 8732: 8731: 8730: 8725: 8720: 8710: 8705: 8703:Multimorbidity 8700: 8695: 8690: 8685: 8680: 8675: 8670: 8665: 8660: 8654: 8652: 8646: 8645: 8643: 8642: 8640:Vector control 8637: 8632: 8627: 8625:School hygiene 8622: 8621: 8620: 8615: 8610: 8608:Sanitary sewer 8605: 8600: 8595: 8585: 8580: 8575: 8574: 8573: 8566:Patient safety 8563: 8562: 8561: 8556: 8551: 8546: 8541: 8536: 8526: 8525: 8524: 8519: 8514: 8509: 8499: 8498: 8497: 8492: 8482: 8477: 8472: 8471: 8470: 8459: 8457: 8451: 8450: 8448: 8447: 8442: 8437: 8432: 8427: 8422: 8417: 8412: 8407: 8402: 8397: 8392: 8387: 8382: 8381: 8380: 8375: 8370: 8365: 8360: 8350: 8345: 8340: 8330: 8325: 8320: 8315: 8310: 8305: 8304: 8303: 8298: 8288: 8283: 8278: 8277: 8276: 8271: 8261: 8256: 8251: 8249:Harm reduction 8246: 8241: 8236: 8231: 8230: 8229: 8224: 8214: 8209: 8204: 8199: 8194: 8189: 8183: 8181: 8177: 8176: 8169: 8168: 8161: 8154: 8146: 8137: 8136: 8134: 8133: 8121: 8109: 8095: 8082: 8079: 8078: 8075: 8074: 8071: 8070: 8068: 8067: 8062: 8057: 8052: 8047: 8041: 8039: 8033: 8032: 8030: 8029: 8024: 8019: 8014: 8009: 8004: 7999: 7994: 7989: 7984: 7978: 7976: 7970: 7969: 7967: 7966: 7961: 7956: 7947: 7942: 7937: 7931: 7929: 7923: 7922: 7920: 7919: 7914: 7909: 7900: 7898:Bioinformatics 7894: 7892: 7882: 7881: 7869: 7868: 7865: 7864: 7861: 7860: 7857: 7856: 7854: 7853: 7847: 7845: 7841: 7840: 7838: 7837: 7831: 7829: 7823: 7822: 7820: 7819: 7814: 7809: 7804: 7798: 7796: 7787: 7781: 7780: 7777: 7776: 7774: 7773: 7768: 7763: 7758: 7753: 7747: 7745: 7739: 7738: 7736: 7735: 7730: 7725: 7717: 7712: 7707: 7706: 7705: 7703:partial (PACF) 7694: 7692: 7686: 7685: 7683: 7682: 7677: 7672: 7664: 7659: 7653: 7651: 7650:Specific tests 7647: 7646: 7644: 7643: 7638: 7633: 7628: 7623: 7618: 7613: 7608: 7602: 7600: 7593: 7587: 7586: 7584: 7583: 7582: 7581: 7580: 7579: 7564: 7563: 7562: 7552: 7550:Classification 7547: 7542: 7537: 7532: 7527: 7522: 7516: 7514: 7508: 7507: 7505: 7504: 7499: 7497:McNemar's test 7494: 7489: 7484: 7479: 7473: 7471: 7461: 7460: 7436: 7435: 7432: 7431: 7428: 7427: 7425: 7424: 7419: 7414: 7409: 7403: 7401: 7395: 7394: 7392: 7391: 7375: 7369: 7367: 7361: 7360: 7358: 7357: 7352: 7347: 7342: 7337: 7335:Semiparametric 7332: 7327: 7321: 7319: 7315: 7314: 7312: 7311: 7306: 7301: 7296: 7290: 7288: 7282: 7281: 7279: 7278: 7273: 7268: 7263: 7258: 7252: 7250: 7244: 7243: 7241: 7240: 7235: 7230: 7225: 7219: 7217: 7207: 7206: 7203: 7202: 7197: 7191: 7183: 7182: 7179: 7178: 7175: 7174: 7172: 7171: 7170: 7169: 7159: 7154: 7149: 7148: 7147: 7142: 7131: 7129: 7123: 7122: 7119: 7118: 7116: 7115: 7110: 7109: 7108: 7100: 7092: 7076: 7073:(Mann–Whitney) 7068: 7067: 7066: 7053: 7052: 7051: 7040: 7038: 7032: 7031: 7029: 7028: 7027: 7026: 7021: 7016: 7006: 7001: 6998:(Shapiro–Wilk) 6993: 6988: 6983: 6978: 6973: 6965: 6959: 6957: 6951: 6950: 6948: 6947: 6939: 6930: 6918: 6912: 6910:Specific tests 6906: 6905: 6902: 6901: 6899: 6898: 6893: 6888: 6882: 6880: 6874: 6873: 6871: 6870: 6865: 6864: 6863: 6853: 6852: 6851: 6841: 6835: 6833: 6827: 6826: 6824: 6823: 6822: 6821: 6816: 6806: 6801: 6796: 6791: 6786: 6780: 6778: 6772: 6771: 6769: 6768: 6763: 6762: 6761: 6756: 6755: 6754: 6749: 6734: 6733: 6732: 6727: 6722: 6717: 6706: 6704: 6695: 6689: 6688: 6686: 6685: 6680: 6675: 6674: 6673: 6663: 6658: 6657: 6656: 6646: 6645: 6644: 6639: 6634: 6624: 6619: 6614: 6613: 6612: 6607: 6602: 6586: 6585: 6584: 6579: 6574: 6564: 6563: 6562: 6557: 6547: 6546: 6545: 6535: 6534: 6533: 6523: 6518: 6513: 6507: 6505: 6495: 6494: 6482: 6481: 6478: 6477: 6474: 6473: 6471: 6470: 6465: 6460: 6455: 6449: 6447: 6441: 6440: 6438: 6437: 6432: 6427: 6421: 6419: 6415: 6414: 6412: 6411: 6406: 6401: 6396: 6391: 6386: 6381: 6375: 6373: 6367: 6366: 6364: 6363: 6361:Standard error 6358: 6353: 6348: 6347: 6346: 6341: 6330: 6328: 6322: 6321: 6319: 6318: 6313: 6308: 6303: 6298: 6293: 6291:Optimal design 6288: 6283: 6277: 6275: 6265: 6264: 6252: 6251: 6248: 6247: 6244: 6243: 6241: 6240: 6235: 6230: 6225: 6220: 6215: 6210: 6205: 6200: 6195: 6190: 6185: 6180: 6175: 6170: 6164: 6162: 6156: 6155: 6153: 6152: 6147: 6146: 6145: 6140: 6130: 6125: 6119: 6117: 6111: 6110: 6108: 6107: 6102: 6097: 6091: 6089: 6088:Summary tables 6085: 6084: 6082: 6081: 6075: 6073: 6067: 6066: 6063: 6062: 6060: 6059: 6058: 6057: 6052: 6047: 6037: 6031: 6029: 6023: 6022: 6020: 6019: 6014: 6009: 6004: 5999: 5994: 5989: 5983: 5981: 5975: 5974: 5972: 5971: 5966: 5961: 5960: 5959: 5954: 5949: 5944: 5939: 5934: 5929: 5924: 5922:Contraharmonic 5919: 5914: 5903: 5901: 5892: 5882: 5881: 5869: 5868: 5866: 5865: 5860: 5854: 5851: 5850: 5843: 5842: 5835: 5828: 5820: 5814: 5813: 5804: 5801: 5800: 5799: 5794: 5788: 5783: 5778: 5758: 5757:External links 5755: 5754: 5753: 5716: 5699: 5696: 5694: 5693: 5680:(1): 161–170. 5660: 5645:(3): 385–402. 5625: 5595:(5): 416–428. 5572: 5554: 5525:(2): 321–327. 5505: 5486:(2): 270–280. 5457: 5430:(2): 573–603. 5401: 5338: 5331: 5307: 5303:JASNH homepage 5291: 5261: 5241:(8): 594–604. 5222: 5187: 5168:(2): 256–277. 5152: 5125:(2): 241–301. 5104: 5068: 5049: 5030:(4): 641–650. 5014: 5003:(5): 587–606. 4987: 4968:(6): 423–437. 4952: 4930:10.1086/288135 4924:(2): 103–115. 4901: 4874:(3): 419–463. 4858: 4846:(253): 19–34. 4830: 4811:(4): 408–421. 4788: 4781: 4763: 4756: 4735: 4728: 4710: 4703: 4685: 4679:978-0471104438 4678: 4660: 4653: 4635: 4602: 4581:(3): 244–252. 4561: 4549:(4): 423–433. 4530: 4523:978-0471034506 4522: 4504: 4497: 4475: 4455: 4448: 4430: 4400: 4393: 4375: 4363: 4334: 4327: 4303: 4294:|journal= 4264: 4257: 4235: 4229: 4211: 4205: 4187: 4180: 4154: 4108: 4099: 4090: 4081: 4072: 4065: 4039: 4008:(2): 106–107. 3988: 3981: 3963: 3944:(4): 545–554. 3928: 3922:978-0023677205 3921: 3903: 3851: 3844: 3823: 3810: 3803: 3785: 3778: 3756: 3741: 3712: 3705: 3672: 3639: 3610:(2): 114–120. 3590: 3571:(2): 123–165. 3548: 3514: 3478: 3462: 3454: 3430: 3418: 3399: 3370:(2): 323–357. 3354: 3347: 3329: 3302:(4): 625–653. 3283: 3224: 3173: 3133: 3103: 3069: 3036:Ann Intern Med 3026: 2976: 2939: 2926: 2886: 2865:(3): 247–256. 2845: 2822: 2788: 2744: 2733:(2): 108–141. 2710: 2704: 2686: 2679: 2659: 2652: 2631: 2629: 2626: 2624: 2623: 2618: 2613: 2608: 2603: 2598: 2593: 2588: 2583: 2578: 2573: 2568: 2561:for combining 2556: 2554:Falsifiability 2551: 2546: 2541: 2535: 2530: 2525: 2520: 2514: 2513: 2512: 2496: 2493: 2479:(an objective 2462:Bayes' Theorem 2458:Neyman–Pearson 2377:Main article: 2374: 2371: 2330: 2329: 2326: 2314: 2310: 2303: 2300: 2297: 2274: 2271: 2192: 2189: 2125: 2122: 2109: 2106: 2103: 2092:false negative 2088: 2087: 2074: 2071: 2067: 2061: 2058: 2053: 2050: 2047: 2044: 2041: 2038: 2034: 2030: 2027: 2024: 2019: is valid 2014: 2010: 2006: 2001: 1997: 1988: 1985: 1951: 1950: 1937: 1934: 1929: 1924: 1919: 1916: 1911: 1904: 1901: 1898: 1893: 1887: 1884: 1879: 1876: 1872: 1864: 1859: 1856: 1851: 1843: 1838: 1835: 1832: 1828: 1824: 1820: 1814: 1811: 1806: 1803: 1800: 1797: 1794: 1791: 1787: 1783: 1778: 1773: 1770: 1767: 1763: 1759: 1755: 1749: 1746: 1741: 1738: 1735: 1732: 1729: 1726: 1722: 1718: 1715: 1712: 1707: is valid 1702: 1698: 1694: 1689: 1685: 1676: 1673: 1651: 1650: 1635: 1632: 1628: 1624: 1619: 1614: 1609: 1606: 1601: 1596: 1592: 1586: 1583: 1578: 1575: 1572: 1569: 1566: 1563: 1559: 1555: 1552: 1549: 1544: is valid 1539: 1535: 1531: 1526: 1522: 1513: 1510: 1491:false positive 1470: 1469: 1454: 1451: 1445: 1442: 1439: 1434: 1430: 1409: 1408: 1393: 1390: 1384: 1381: 1378: 1373: 1369: 1323: 1320: 1292: 1289: 1282: 1281: 1278: 1273: 1267: 1266: 1265:Type II Error 1261: 1258: 1252: 1251: 1245: 1242: 1236: 1233: 1195: 1191: 1162: 1158: 1135: 1131: 1108: 1104: 1084: 1081: 1077:Muriel Bristol 1065:Main article: 1062: 1059: 1025:John Arbuthnot 1017:Main article: 1014: 1011: 1009: 1006: 993:Main article: 990: 987: 986: 985: 979: 955: 954: 949: 942: 927: 917: 908: 888:false positive 875: 863: 862: 861: 836:Critical value 825: 821: 813: 812: 808: 802: 799: 795: 789: 782: 774: 771: 746: 743: 725: 724: 721:placebo effect 717: 710: 688: 685: 662: 661: 658: 655: 652: 649: 646: 643: 640: 628: 625: 582: 562: 550: 549:Interpretation 547: 526:Interpretation 519: 518: 515: 507: 504: 503: 502: 498: 495: 491: 488: 485:Neyman-Pearson 481: 477: 473: 470: 467: 456: 445: 441: 439:test statistic 435: 427: 424: 404:Bible Analyzer 395:Main article: 392: 389: 354: 351: 348: 347: 343: 340: 336: 335: 332: 328: 324: 323: 319: 316: 312: 311: 308: 305: 293:test statistic 159: 156: 107:Pierre Laplace 89: 86: 80:at birth; see 70:John Arbuthnot 59: 56: 41:critical value 37:test statistic 15: 9: 6: 4: 3: 2: 9351: 9340: 9337: 9335: 9332: 9330: 9327: 9325: 9322: 9321: 9319: 9304: 9303: 9294: 9292: 9291: 9282: 9280: 9279: 9270: 9269: 9266: 9256: 9253: 9251: 9248: 9246: 9243: 9241: 9238: 9236: 9233: 9231: 9228: 9226: 9225:Joseph Lister 9223: 9221: 9218: 9216: 9213: 9211: 9208: 9207: 9205: 9201: 9193: 9190: 9188: 9185: 9183: 9180: 9178: 9175: 9174: 9172: 9170: 9167: 9166: 9164: 9160: 9153: 9149: 9147: 9144: 9142: 9139: 9135: 9132: 9130: 9127: 9125: 9122: 9120: 9117: 9116: 9114: 9110: 9107: 9105: 9104:Health Canada 9102: 9101: 9099: 9095: 9092: 9091: 9089: 9085: 9082: 9080: 9077: 9076: 9074: 9070: 9067: 9066: 9064: 9060: 9057: 9056: 9054: 9053: 9051: 9049:Organizations 9047: 9044: 9036: 9030: 9027: 9025: 9022: 9020: 9017: 9015: 9012: 9010: 9007: 9005: 9002: 9000: 8997: 8995: 8992: 8990: 8987: 8985: 8982: 8981: 8979: 8973: 8965: 8962: 8960: 8957: 8956: 8955: 8952: 8950: 8947: 8943: 8940: 8938: 8935: 8933: 8930: 8928: 8925: 8923: 8920: 8918: 8915: 8913: 8910: 8909: 8907: 8906: 8904: 8898: 8892: 8889: 8887: 8886:Vaccine trial 8884: 8882: 8879: 8877: 8874: 8872: 8869: 8867: 8864: 8860: 8857: 8856: 8855: 8852: 8848: 8845: 8844: 8843: 8840: 8836: 8833: 8832: 8831: 8828: 8826: 8823: 8822: 8820: 8814: 8808: 8805: 8801: 8799: 8795: 8793: 8791: 8786: 8784: 8781: 8779: 8776: 8774: 8771: 8770: 8769: 8766: 8764: 8763:Relative risk 8761: 8759: 8756: 8754: 8751: 8750: 8748: 8742: 8736: 8733: 8729: 8726: 8724: 8723:Health equity 8721: 8719: 8716: 8715: 8714: 8711: 8709: 8706: 8704: 8701: 8699: 8696: 8694: 8691: 8689: 8688:Health system 8686: 8684: 8681: 8679: 8678:Global health 8676: 8674: 8671: 8669: 8666: 8664: 8661: 8659: 8658:Biostatistics 8656: 8655: 8653: 8651: 8647: 8641: 8638: 8636: 8633: 8631: 8628: 8626: 8623: 8619: 8616: 8614: 8611: 8609: 8606: 8604: 8601: 8599: 8596: 8594: 8591: 8590: 8589: 8586: 8584: 8581: 8579: 8576: 8572: 8569: 8568: 8567: 8564: 8560: 8557: 8555: 8552: 8550: 8547: 8545: 8542: 8540: 8537: 8535: 8532: 8531: 8530: 8527: 8523: 8520: 8518: 8515: 8513: 8510: 8508: 8505: 8504: 8503: 8500: 8496: 8493: 8491: 8488: 8487: 8486: 8483: 8481: 8478: 8476: 8473: 8469: 8466: 8465: 8464: 8461: 8460: 8458: 8456: 8452: 8446: 8443: 8441: 8438: 8436: 8433: 8431: 8428: 8426: 8423: 8421: 8418: 8416: 8413: 8411: 8408: 8406: 8403: 8401: 8400:Right to food 8398: 8396: 8393: 8391: 8388: 8386: 8383: 8379: 8376: 8374: 8371: 8369: 8366: 8364: 8361: 8359: 8356: 8355: 8354: 8351: 8349: 8346: 8344: 8341: 8338: 8334: 8333:Mental health 8331: 8329: 8326: 8324: 8321: 8319: 8316: 8314: 8311: 8309: 8306: 8302: 8299: 8297: 8294: 8293: 8292: 8289: 8287: 8284: 8282: 8281:Housing First 8279: 8275: 8272: 8270: 8269:Health system 8267: 8266: 8265: 8264:Health policy 8262: 8260: 8257: 8255: 8252: 8250: 8247: 8245: 8242: 8240: 8237: 8235: 8232: 8228: 8225: 8223: 8220: 8219: 8218: 8215: 8213: 8210: 8208: 8205: 8203: 8200: 8198: 8195: 8193: 8190: 8188: 8185: 8184: 8182: 8178: 8174: 8173:Public health 8167: 8162: 8160: 8155: 8153: 8148: 8147: 8144: 8132: 8131: 8122: 8120: 8119: 8110: 8108: 8107: 8102: 8096: 8094: 8093: 8084: 8083: 8080: 8066: 8063: 8061: 8060:Geostatistics 8058: 8056: 8053: 8051: 8048: 8046: 8043: 8042: 8040: 8038: 8034: 8028: 8027:Psychometrics 8025: 8023: 8020: 8018: 8015: 8013: 8010: 8008: 8005: 8003: 8000: 7998: 7995: 7993: 7990: 7988: 7985: 7983: 7980: 7979: 7977: 7975: 7971: 7965: 7962: 7960: 7957: 7955: 7951: 7948: 7946: 7943: 7941: 7938: 7936: 7933: 7932: 7930: 7928: 7924: 7918: 7915: 7913: 7910: 7908: 7904: 7901: 7899: 7896: 7895: 7893: 7891: 7890:Biostatistics 7887: 7883: 7879: 7874: 7870: 7852: 7851:Log-rank test 7849: 7848: 7846: 7842: 7836: 7833: 7832: 7830: 7828: 7824: 7818: 7815: 7813: 7810: 7808: 7805: 7803: 7800: 7799: 7797: 7795: 7791: 7788: 7786: 7782: 7772: 7769: 7767: 7764: 7762: 7759: 7757: 7754: 7752: 7749: 7748: 7746: 7744: 7740: 7734: 7731: 7729: 7726: 7724: 7722:(Box–Jenkins) 7718: 7716: 7713: 7711: 7708: 7704: 7701: 7700: 7699: 7696: 7695: 7693: 7691: 7687: 7681: 7678: 7676: 7675:Durbin–Watson 7673: 7671: 7665: 7663: 7660: 7658: 7657:Dickey–Fuller 7655: 7654: 7652: 7648: 7642: 7639: 7637: 7634: 7632: 7631:Cointegration 7629: 7627: 7624: 7622: 7619: 7617: 7614: 7612: 7609: 7607: 7606:Decomposition 7604: 7603: 7601: 7597: 7594: 7592: 7588: 7578: 7575: 7574: 7573: 7570: 7569: 7568: 7565: 7561: 7558: 7557: 7556: 7553: 7551: 7548: 7546: 7543: 7541: 7538: 7536: 7533: 7531: 7528: 7526: 7523: 7521: 7518: 7517: 7515: 7513: 7509: 7503: 7500: 7498: 7495: 7493: 7490: 7488: 7485: 7483: 7480: 7478: 7477:Cohen's kappa 7475: 7474: 7472: 7470: 7466: 7462: 7458: 7454: 7450: 7446: 7441: 7437: 7423: 7420: 7418: 7415: 7413: 7410: 7408: 7405: 7404: 7402: 7400: 7396: 7390: 7386: 7382: 7376: 7374: 7371: 7370: 7368: 7366: 7362: 7356: 7353: 7351: 7348: 7346: 7343: 7341: 7338: 7336: 7333: 7331: 7330:Nonparametric 7328: 7326: 7323: 7322: 7320: 7316: 7310: 7307: 7305: 7302: 7300: 7297: 7295: 7292: 7291: 7289: 7287: 7283: 7277: 7274: 7272: 7269: 7267: 7264: 7262: 7259: 7257: 7254: 7253: 7251: 7249: 7245: 7239: 7236: 7234: 7231: 7229: 7226: 7224: 7221: 7220: 7218: 7216: 7212: 7208: 7201: 7198: 7196: 7193: 7192: 7188: 7184: 7168: 7165: 7164: 7163: 7160: 7158: 7155: 7153: 7150: 7146: 7143: 7141: 7138: 7137: 7136: 7133: 7132: 7130: 7128: 7124: 7114: 7111: 7107: 7101: 7099: 7093: 7091: 7085: 7084: 7083: 7080: 7079:Nonparametric 7077: 7075: 7069: 7065: 7062: 7061: 7060: 7054: 7050: 7049:Sample median 7047: 7046: 7045: 7042: 7041: 7039: 7037: 7033: 7025: 7022: 7020: 7017: 7015: 7012: 7011: 7010: 7007: 7005: 7002: 7000: 6994: 6992: 6989: 6987: 6984: 6982: 6979: 6977: 6974: 6972: 6970: 6966: 6964: 6961: 6960: 6958: 6956: 6952: 6946: 6944: 6940: 6938: 6936: 6931: 6929: 6924: 6920: 6919: 6916: 6913: 6911: 6907: 6897: 6894: 6892: 6889: 6887: 6884: 6883: 6881: 6879: 6875: 6869: 6866: 6862: 6859: 6858: 6857: 6854: 6850: 6847: 6846: 6845: 6842: 6840: 6837: 6836: 6834: 6832: 6828: 6820: 6817: 6815: 6812: 6811: 6810: 6807: 6805: 6802: 6800: 6797: 6795: 6792: 6790: 6787: 6785: 6782: 6781: 6779: 6777: 6773: 6767: 6764: 6760: 6757: 6753: 6750: 6748: 6745: 6744: 6743: 6740: 6739: 6738: 6735: 6731: 6728: 6726: 6723: 6721: 6718: 6716: 6713: 6712: 6711: 6708: 6707: 6705: 6703: 6699: 6696: 6694: 6690: 6684: 6681: 6679: 6676: 6672: 6669: 6668: 6667: 6664: 6662: 6659: 6655: 6654:loss function 6652: 6651: 6650: 6647: 6643: 6640: 6638: 6635: 6633: 6630: 6629: 6628: 6625: 6623: 6620: 6618: 6615: 6611: 6608: 6606: 6603: 6601: 6595: 6592: 6591: 6590: 6587: 6583: 6580: 6578: 6575: 6573: 6570: 6569: 6568: 6565: 6561: 6558: 6556: 6553: 6552: 6551: 6548: 6544: 6541: 6540: 6539: 6536: 6532: 6529: 6528: 6527: 6524: 6522: 6519: 6517: 6514: 6512: 6509: 6508: 6506: 6504: 6500: 6496: 6492: 6487: 6483: 6469: 6466: 6464: 6461: 6459: 6456: 6454: 6451: 6450: 6448: 6446: 6442: 6436: 6433: 6431: 6428: 6426: 6423: 6422: 6420: 6416: 6410: 6407: 6405: 6402: 6400: 6397: 6395: 6392: 6390: 6387: 6385: 6382: 6380: 6377: 6376: 6374: 6372: 6368: 6362: 6359: 6357: 6356:Questionnaire 6354: 6352: 6349: 6345: 6342: 6340: 6337: 6336: 6335: 6332: 6331: 6329: 6327: 6323: 6317: 6314: 6312: 6309: 6307: 6304: 6302: 6299: 6297: 6294: 6292: 6289: 6287: 6284: 6282: 6279: 6278: 6276: 6274: 6270: 6266: 6262: 6257: 6253: 6239: 6236: 6234: 6231: 6229: 6226: 6224: 6221: 6219: 6216: 6214: 6211: 6209: 6206: 6204: 6201: 6199: 6196: 6194: 6191: 6189: 6186: 6184: 6183:Control chart 6181: 6179: 6176: 6174: 6171: 6169: 6166: 6165: 6163: 6161: 6157: 6151: 6148: 6144: 6141: 6139: 6136: 6135: 6134: 6131: 6129: 6126: 6124: 6121: 6120: 6118: 6116: 6112: 6106: 6103: 6101: 6098: 6096: 6093: 6092: 6090: 6086: 6080: 6077: 6076: 6074: 6072: 6068: 6056: 6053: 6051: 6048: 6046: 6043: 6042: 6041: 6038: 6036: 6033: 6032: 6030: 6028: 6024: 6018: 6015: 6013: 6010: 6008: 6005: 6003: 6000: 5998: 5995: 5993: 5990: 5988: 5985: 5984: 5982: 5980: 5976: 5970: 5967: 5965: 5962: 5958: 5955: 5953: 5950: 5948: 5945: 5943: 5940: 5938: 5935: 5933: 5930: 5928: 5925: 5923: 5920: 5918: 5915: 5913: 5910: 5909: 5908: 5905: 5904: 5902: 5900: 5896: 5893: 5891: 5887: 5883: 5879: 5874: 5870: 5864: 5861: 5859: 5856: 5855: 5852: 5848: 5841: 5836: 5834: 5829: 5827: 5822: 5821: 5818: 5811: 5807: 5806: 5797: 5795: 5792: 5789: 5787: 5784: 5782: 5779: 5775: 5771: 5770: 5765: 5761: 5760: 5749: 5744: 5740: 5736: 5732: 5728: 5727: 5722: 5717: 5714: 5713:0-387-94037-5 5710: 5706: 5702: 5701: 5688: 5683: 5679: 5675: 5671: 5664: 5653: 5648: 5644: 5640: 5636: 5629: 5620: 5616: 5612: 5608: 5603: 5598: 5594: 5590: 5583: 5576: 5565: 5558: 5550: 5546: 5542: 5538: 5533: 5528: 5524: 5520: 5516: 5509: 5501: 5497: 5493: 5489: 5485: 5481: 5474: 5470: 5469:Kruschke, J K 5464: 5462: 5453: 5449: 5445: 5441: 5437: 5433: 5429: 5425: 5418: 5414: 5413:Kruschke, J K 5408: 5406: 5397: 5391: 5383: 5379: 5375: 5371: 5366: 5361: 5357: 5353: 5349: 5342: 5334: 5328: 5324: 5320: 5319: 5311: 5304: 5300: 5295: 5288: 5275: 5271: 5265: 5256: 5252: 5248: 5244: 5240: 5236: 5229: 5227: 5218: 5214: 5210: 5206: 5202: 5198: 5191: 5183: 5179: 5175: 5171: 5167: 5163: 5156: 5148: 5144: 5140: 5136: 5132: 5128: 5124: 5120: 5113: 5111: 5109: 5099: 5095: 5091: 5087: 5083: 5079: 5072: 5064: 5060: 5053: 5045: 5041: 5037: 5033: 5029: 5025: 5018: 5010: 5006: 5002: 4998: 4991: 4983: 4979: 4975: 4971: 4967: 4963: 4956: 4943: 4939: 4935: 4931: 4927: 4923: 4919: 4912: 4905: 4897: 4893: 4889: 4885: 4881: 4877: 4873: 4869: 4862: 4853: 4849: 4845: 4841: 4834: 4826: 4822: 4818: 4814: 4810: 4806: 4799: 4792: 4784: 4778: 4774: 4767: 4759: 4757:9781591471189 4753: 4749: 4742: 4740: 4731: 4725: 4721: 4714: 4706: 4700: 4696: 4689: 4681: 4675: 4671: 4664: 4656: 4650: 4646: 4639: 4630: 4625: 4621: 4617: 4613: 4606: 4598: 4594: 4589: 4584: 4580: 4576: 4572: 4565: 4556: 4552: 4548: 4544: 4543:Technometrics 4537: 4535: 4525: 4519: 4515: 4508: 4500: 4494: 4490: 4486: 4479: 4473: 4472:0-387-94546-6 4469: 4465: 4459: 4451: 4445: 4441: 4434: 4419: 4415: 4411: 4404: 4396: 4390: 4386: 4379: 4372: 4366: 4360: 4356: 4352: 4348: 4344: 4338: 4330: 4324: 4320: 4316: 4315: 4307: 4299: 4287: 4279: 4275: 4268: 4260: 4254: 4250: 4246: 4239: 4232: 4226: 4222: 4215: 4208: 4202: 4198: 4191: 4183: 4177: 4173: 4168: 4167: 4158: 4150: 4146: 4141: 4136: 4132: 4128: 4127: 4119: 4112: 4103: 4094: 4085: 4076: 4068: 4066:0-201-03021-7 4062: 4058: 4053: 4052: 4043: 4035: 4031: 4026: 4021: 4016: 4011: 4007: 4003: 3999: 3992: 3984: 3982:9780716796572 3978: 3974: 3967: 3959: 3955: 3951: 3947: 3943: 3939: 3932: 3924: 3918: 3915:. Macmillan. 3914: 3907: 3899: 3895: 3890: 3885: 3881: 3877: 3873: 3869: 3865: 3861: 3860:Nuzzo, Regina 3855: 3847: 3841: 3837: 3830: 3828: 3820: 3814: 3806: 3800: 3796: 3789: 3781: 3775: 3771: 3767: 3760: 3752: 3748: 3744: 3738: 3734: 3730: 3726: 3722: 3716: 3708: 3706:9780761923596 3702: 3698: 3694: 3690: 3683: 3676: 3667: 3662: 3658: 3654: 3650: 3643: 3635: 3631: 3626: 3621: 3617: 3613: 3609: 3605: 3601: 3594: 3586: 3582: 3578: 3574: 3570: 3566: 3559: 3552: 3544: 3540: 3537:(2): 98–113. 3536: 3532: 3525: 3518: 3509: 3504: 3500: 3496: 3492: 3485: 3483: 3473: 3466: 3457: 3451: 3447: 3443: 3442: 3434: 3427: 3422: 3415: 3414:archive.today 3411: 3408: 3403: 3395: 3391: 3387: 3383: 3378: 3373: 3369: 3365: 3358: 3350: 3344: 3340: 3333: 3325: 3321: 3317: 3313: 3309: 3305: 3301: 3297: 3290: 3288: 3279: 3275: 3270: 3265: 3260: 3255: 3251: 3247: 3243: 3239: 3235: 3228: 3220: 3216: 3212: 3208: 3204: 3200: 3196: 3192: 3188: 3184: 3177: 3169: 3165: 3161: 3157: 3153: 3149: 3142: 3140: 3138: 3130: 3125: 3121: 3114: 3107: 3099: 3095: 3091: 3087: 3080: 3078: 3076: 3074: 3065: 3061: 3057: 3053: 3049: 3045: 3041: 3037: 3030: 3021: 3016: 3012: 3008: 3004: 3000: 2999: 2994: 2987: 2985: 2983: 2981: 2972: 2968: 2964: 2960: 2953: 2946: 2944: 2924: 2916: 2912: 2911: 2907: 2904: 2899: 2898:M. J. 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Index


test statistics
test statistic
critical value
p-value
specialized statistical tests
History of probability
John Arbuthnot
Pierre-Simon Laplace
human sex ratio
§ Human sex ratio
Paul Meehl
epistemological
Pierre Laplace
Karl Pearson
chi squared test
Weldon dice throw data
Karl Pearson
contingency
independent
principle of indifference
Fisher
Karl Pearson
p-value
Pearson's chi-squared test
William Sealy Gosset
Student's t-distribution
Ronald Fisher
null hypothesis
analysis of variance

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