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Statistical significance

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Researchers focusing solely on whether their results are statistically significant might report findings that are not substantive and not replicable. There is also a difference between statistical significance and practical significance. A study that is found to be statistically significant may not
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than a one-tailed test, because the rejection region for a one-tailed test is concentrated on one end of the null distribution and is twice the size (5% vs. 2.5%) of each rejection region for a two-tailed test. As a result, the null hypothesis can be rejected with a less extreme result if a
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A statistically significant result may not be easy to reproduce. In particular, some statistically significant results will in fact be false positives. Each failed attempt to reproduce a result increases the likelihood that the result was a false positive.
813:-values as continuous indices, thereby discarding thresholds and statistical significance. Additionally, the change to 0.005 would increase the likelihood of false negatives, whereby the effect being studied is real, but the test fails to show it. 429:
should be rejected or retained. The null hypothesis is the hypothesis that no effect exists in the phenomenon being studied. For the null hypothesis to be rejected, an observed result has to be statistically significant, i.e. the observed
1945:"Conclusions about statistical significance are possible with the help of the confidence interval. If the confidence interval does not include the value of zero effect, it can be assumed that there is a statistically significant result." 797: â‰€ 0.05') as a license for making a claim of a scientific finding (or implied truth) leads to considerable distortion of the scientific process". In 2017, a group of 72 authors proposed to enhance reproducibility by changing the 821:
We conclude, based on our review of the articles in this special issue and the broader literature, that it is time to stop using the term "statistically significant" entirely. Nor should variants such as "significantly different,"
741:=5%, was being relied on too heavily as the primary measure of validity of a hypothesis. Some journals encouraged authors to do more detailed analysis than just a statistical significance test. In social psychology, the journal 588:
one-tailed test was used. The one-tailed test is only more powerful than a two-tailed test if the specified direction of the alternative hypothesis is correct. If it is wrong, however, then the one-tailed test has no power.
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Effect size is a measure of a study's practical significance. A statistically significant result may have a weak effect. To gauge the research significance of their result, researchers are encouraged to always report an
152:-value of an observed effect is less than (or equal to) the significance level, an investigator may conclude that the effect reflects the characteristics of the whole population, thereby rejecting the null hypothesis. 816:
In 2019, over 800 statisticians and scientists signed a message calling for the abandonment of the term "statistical significance" in science, and the ASA published a further official statement declaring (page 2):
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Ioannidis, John P. A.; Ware, Jennifer J.; Wagenmakers, Eric-Jan; Simonsohn, Uri; Chambers, Christopher D.; Button, Katherine S.; Bishop, Dorothy V. M.; Nosek, Brian A.; MunafĂČ, Marcus R. (January 2017).
754:-values, as Basic and Applied Social Psychology recently did, is not going to solve the problem because it is merely treating a symptom of the problem. There is nothing wrong with hypothesis testing and 3182:. There is growing determination to reform statistical analysis... Some suggest changing statistical methods, whereas others would do away with a threshold for defining "significant" results." (p. 63.) 2626: 801:-value threshold for statistical significance from 0.05 to 0.005. Other researchers responded that imposing a more stringent significance threshold would aggravate problems such as 461:-value, which is the probability of observing an effect of the same magnitude or more extreme given that the null hypothesis is true. The null hypothesis is rejected if the 123: 372:
instead. This is the probability of not rejecting the null hypothesis given that it is true. Confidence levels and confidence intervals were introduced by Neyman in 1937.
846: 534: 503: 483: 452: 345: 305: 270: 250: 64: 1633: 3246: 758:-values per se as long as authors, reviewers, and action editors use them correctly." Some statisticians prefer to use alternative measures of evidence, such as 325: 92: 3286: 747:
banned the use of significance testing altogether from papers it published, requiring authors to use other measures to evaluate hypotheses and impact.
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can avoid confidence levels, but also requires making additional assumptions, and may not necessarily improve practice regarding statistical testing.
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Myers, Jerome L.; Well, Arnold D.; Lorch, Robert F. Jr. (2010). "Developing fundamentals of hypothesis testing using the binomial distribution".
689:-values. An effect size measure quantifies the strength of an effect, such as the distance between two means in units of standard deviation (cf. 125:. The significance level for a study is chosen before data collection, and is typically set to 5% or much lower—depending on the field of study. 4794: 694: 348: 5299: 275:
Despite his initial suggestion of 0.05 as a significance level, Fisher did not intend this cutoff value to be fixed. In his 1956 publication
3306:. The earth is round (p<.05). American Psychologist. Vol 49, p. 997-1003. Reviews problems with null hypothesis statistical testing. 1506: 5449: 3299: 5073: 3714: 220:. Fisher suggested a probability of one in twenty (0.05) as a convenient cutoff level to reject the null hypothesis. In a 1933 paper, 3197: 327:
below which the null hypothesis is rejected even though by assumption it were true, and something else is going on. This means that
4847: 216: 1153:. Wiley Reference Series in Biostatistics (3rd ed.). West Sussex, United Kingdom: John Wiley & Sons Ltd. pp. 35–36. 5723: 5286: 552:-value is less than (or equal to) 5%. When drawing data from a sample, this means that the rejection region comprises 5% of the 3267: 3214: 2712: 2610: 2577: 2266: 2241: 2205: 2180: 2155: 2130: 2097: 2072: 1887: 1851: 1826: 1795: 1756: 1723: 1695: 1671: 1608: 1486: 1461: 1426: 1401: 1376: 1343: 1318: 1290: 1230:
Sham, Pak C.; Purcell, Shaun M (17 April 2014). "Statistical power and significance testing in large-scale genetic studies".
1158: 1042: 1006: 978: 950: 3370: 3709: 3409: 3377:" (February 1994): article by Bruce Thompon hosted by the ERIC Clearinghouse on Assessment and Evaluation, Washington, D.C. 735:
Starting in the 2010s, some journals began questioning whether significance testing, and particularly using a threshold of
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is also the probability of mistakenly rejecting the null hypothesis, if the null hypothesis is true. This is also called
17: 95:, is the probability of obtaining a result at least as extreme, given that the null hypothesis is true. The result is 5096: 4988: 1419:
Compassionate Statistics: Applied Quantitative Analysis for Social Services (With exercises and instructions in SPSS)
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Statistical significance plays a pivotal role in statistical hypothesis testing. It is used to determine whether the
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is not the same as research significance, theoretical significance, or practical significance. For example, the term
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This technique for testing the statistical significance of results was developed in the early 20th century. The term
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Neyman, J.; Pearson, E.S. (1933). "The testing of statistical hypotheses in relation to probabilities a priori".
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advanced the idea of statistical hypothesis testing, which he called "tests of significance", in his publication
66:, is the probability of the study rejecting the null hypothesis, given that the null hypothesis is true; and the 1846:. Essays in Cognitive Psychology (1st ed.). East Sussex, United Kingdom: Psychology Press. pp. 29–48. 5383: 4595: 4402: 4291: 4249: 895: 381: 31: 4323: 2595:
Principles, Problems, Practices, and Prospects Reproducibility: Principles, Problems, Practices, and Prospects
5626: 4585: 3488: 646: 3384:" (no date): an article from the Statistical Assessment Service at George Mason University, Washington, D.C. 3153:
Lydia Denworth, "A Significant Problem: Standard scientific methods are under fire. Will anything change?",
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Myers, Jerome L.; Well, Arnold D.; Lorch, Robert F. Jr. (2010). "The t distribution and its applications".
906: 848:," and "nonsignificant" survive, whether expressed in words, by asterisks in a table, or in some other way. 698: 5689: 5521: 5322: 5246: 4547: 4301: 3970: 3434: 3041: 5406: 5378: 5373: 5121: 4880: 4786: 4766: 4674: 4385: 4203: 3686: 3558: 3218: 2997:
Amrhein, Valentin; Greenland, Sander (2017). "Remove, rather than redefine, statistical significance".
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Clarke, GM; Anderson, CA; Pettersson, FH; Cardon, LR; Morris, AP; Zondervan, KT (February 6, 2011).
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Redmond, Carol; Colton, Theodore (2001). "Clinical significance versus statistical significance".
793:-values, saying that "the widespread use of 'statistical significance' (generally interpreted as ' 5530: 5143: 5083: 5020: 4658: 4642: 4380: 4242: 4232: 4082: 3996: 537: 2233: 825: 5568: 5498: 5291: 5228: 4983: 4870: 3867: 3764: 3671: 3550: 3449: 3293:
Vol. 506, p. 150-152 (open access). Highlights common misunderstandings about the p value.
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The Cult of Statistical Significance: How the Standard Error Costs Us Jobs, Justice, and Lives
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The widespread abuse of statistical significance represents an important topic of research in
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Handbook of Research Methods: A Guide for Practitioners and Students in the Social Science
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at birth, assuming a null hypothesis of equal probability of male and female births; see
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Understanding The New Statistics: Effect Sizes, Confidence Intervals, and Meta-Analysis
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Understanding The New Statistics: Effect Sizes, Confidence Intervals, and Meta-Analysis
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To determine whether a result is statistically significant, a researcher calculates a
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Cumming, Geoff (2011). "From null hypothesis significance to testing effect sizes".
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Brian, Éric; Jaisson, Marie (2007). "Physico-Theology and Mathematics (1710–1794)".
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he recommended that significance levels be set according to specific circumstances.
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Beyond Significance Testing: Reforming Data Analysis Methods in Behavioral Research
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Thompson, Bruce (2004). "The "significance" crisis in psychology and education".
3201: 3175: 2756: 2435: 2349: 2261:(1st ed.). Pittsburgh, PA: University of Pittsburgh Press. pp. Ii–Iii. 1544:"Balancing statistical and clinical significance in evaluating treatment effects" 1275: 710: 561: 557: 426: 385: 197: 39: 5015: 3237: 2812:"Thou Shalt Not Bear False Witness Against Null Hypothesis Significance Testing" 1452:(1st ed.). Cambridge, United Kingdom: Cambridge University Press. pp.  1034: 5474: 5469: 3932: 3862: 3508: 3336: 3311: 3185: 3093: 3068: 2382:
Carver, Ronald P. (1978). "The Case Against Statistical Significance Testing".
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Risk, Chance, and Causation: Investigating the Origins and Treatment of Disease
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Prel, Jean-Baptist du; Hommel, Gerhard; Röhrig, Bernd; Blettner, Maria (2009).
182: 145: 3363:" contains an entry on Significance that provides some historical information. 3010: 2983: 2937: 2920: 2602: 1964: 1924: 1069: 556:. These 5% can be allocated to one side of the sampling distribution, as in a 5717: 5631: 5598: 5461: 5422: 5233: 5202: 4666: 4620: 4225: 3927: 3754: 3518: 3513: 2835: 2827: 2200:(1st ed.). Cambridge, UK: Cambridge University Press. pp. 146–152. 1744: 1567: 1421:(1st ed.). Thousand Oaks, CA: SAGE Publications, Inc. pp. 127–138. 945:(3rd ed.). Thousand Oaks, CA: SAGE Publications, Inc. pp. 271–316. 802: 611: 211: 2886: 2259:
Shifting Standards: Experiments in Particle Physics in the Twentieth Century
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Craparo, Robert M. (2007). "Significance level". In Salkind, Neil J. (ed.).
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Other editors, commenting on this ban have noted: "Banning the reporting of
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Hojat, Mohammadreza; Xu, Gang (2004). "A Visitor's Guide to Effect Sizes".
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StatNews #73: Overlapping Confidence Intervals and Statistical Significance
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Hald, Anders (1998), "Chapter 4. Chance or Design: Tests of Significance",
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University of Alberta, Department of Mathematical and Statistical Sciences
626:, with significance thresholds set at a much stricter level (for example 5 548:, is 5%, and a statistically significant result is one where the observed 5616: 5578: 5261: 5162: 5024: 4837: 4804: 4296: 4213: 4208: 3852: 3809: 3789: 3769: 3759: 3528: 3275: 3116:
Wasserstein, Ronald L.; Schirm, Allen L.; Lazar, Nicole A. (2019-03-20).
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are not uncommon—as the number of tests performed is extremely large.
4615: 4467: 4087: 3882: 3794: 3779: 3774: 3739: 3171: 2631:-values and the Null Hypothesis Significance Testing (NHST) paradigm" 2041: 1712:
The History of Statistics: The Measurement of Uncertainty Before 1900
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Faherty, Vincent (2008). "Probability and statistical significance".
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Dalgaard, Peter (2008). "Power and the computation of sample size".
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when a result at least as "extreme" would be very infrequent if the
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Amrhein, Valentin; Greenland, Sander; McShane, Blake (2019-03-20).
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McShane, Blake; Greenland, Sander; Amrhein, Valentin (March 2019).
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Amrhein, Valentin; Korner-Nievergelt, FrÀnzi; Roth, Tobias (2017).
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Barsh, GS; Copenhaver, GP; Gibson, G; Williams, SM (July 5, 2012).
878: 805:; alternative propositions are thus to select and justify flexible 181:
Statistical significance dates to the 18th century, in the work of
1396:(13th ed.). Belmont, CA: Cengage Learning. pp. 185–226. 614:, statistical significance is often expressed in multiples of the 5636: 5337: 3382:
What does it mean for a result to be "statistically significant"?
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An Introduction To Experimental Design And Statistics For Biology
2092:(2nd ed.). Belmont, CA: Cengage Learning. pp. 177–205. 1029:. Statistics and Computing. New York: Springer. pp. 155–56. 402: 393: 190: 67: 2777:"The ASA's Statement on p-Values: Context, Process, and Purpose" 2067:(3rd ed.). Boston, MA: Cengage Learning. pp. 189–209. 1313:(8th ed.). Boston, MA: Cengage Learning. pp. 300–344. 5558: 4539: 4513: 4493: 3744: 3535: 3166:
for nearly a century to determine statistical significance of
2713:"P value ban: small step for a journal, giant leap for science" 2593:
Stahel, Werner (2016). "Statistical Issue in Reproducibility".
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Statistics Explained: An Introductory Guide for Life Scientists
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1191:"Points of significance: Significance, P values and t-tests" 575:
specifies a direction such as whether a group of objects is
560:, or partitioned to both sides of the distribution, as in a 3478: 3361:
Earliest Known Uses of Some of the Words of Mathematics (S)
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Hinton, Perry R. (2010). "Significance, error, and power".
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Probability and Statistics for Engineering and the Sciences
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Applied Statistics for Public and Nonprofit Administration
1445:"Probability helps you make a decision about your results" 809:-value thresholds before collecting data, or to interpret 583:. A two-tailed test may still be used but it will be less 421:
and makes up 5% of the area under the curve (white areas).
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refers to the practical importance of a treatment effect.
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Statistical Significance: Rationale, Validity and Utility
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Measurement, Design, and Analysis: An Integrated Approach
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The use of a one-tailed test is dependent on whether the
465:-value is less than (or equal to) a predetermined level, 434:-value is less than the pre-specified significance level 375: 2090:
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be set ahead of time, prior to any data collection.
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Washington, DC: American Psychological Association.
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School of Education, University of Leeds 2219: 2217: 2000: 1804: 1679: 1336:Encyclopedia of Measurement and Statistics 1167: 1020: 1018: 780: 592:Significance thresholds in specific fields 4061: 3335: 3135: 3092: 2946: 2936: 2895: 2885: 2843: 2816:Educational and Psychological Measurement 2794: 2735: 2710: 2695: 2627:"CSSME Seminar Series: The argument over 2498: 2488: 2461: 2444: 2434: 2416: 2410: 2358: 2348: 2307: 2106: 2081: 1972: 1738: 1688:Applied Nonparametric Statistical Methods 1646: 1575: 1304: 1302: 1277:Practical Statistics for Medical Research 1206: 1125: 1115: 3223: 3118:"Moving to a World Beyond "p < 0.05"" 3042:"Moving Science's Statistical Goalposts" 2918: 2669: 2561: 2256: 2250: 2198:Scientific Inference: Learning from Data 2112: 1867: 1865: 1863: 1841: 1835: 1814:Statistical Methods for Research Workers 1764: 1479:Research Design and Statistical Analysis 1441: 1435: 1024: 999:Research design and statistical analysis 964: 962: 936: 934: 932: 666:necessarily be practically significant. 401: 217:Statistical Methods for Research Workers 2524: 2223: 2214: 2195: 2189: 1785: 1779: 1709: 1690:(Second ed.), Chapman & Hall, 1661: 1601:The Descent of Human Sex Ratio at Birth 1416: 1410: 1385: 1358: 1352: 1333: 1327: 1173: 1089: 1015: 971:The Certified Quality Engineer Handbook 634:particle's existence was based on the 5 14: 5716: 5374:Kaplan–Meier estimator (product limit) 2969: 2919:Benjamin, Daniel; et al. (2018). 2870:"A manifesto for reproducible science" 2810:GarcĂ­a-PĂ©rez, Miguel A. (2016-10-05). 2592: 2381: 2375: 2170: 2145: 2006: 1896: 1810: 1685: 1391: 1308: 1299: 1272: 1266: 1083: 968: 940: 630:). For instance, the certainty of the 546:given that the null hypothesis is true 376:Role in statistical hypothesis testing 5447: 5014: 4761: 4060: 3830: 3447: 3391: 3287:Scientific method: Statistical errors 2655:Novella, Steven (February 25, 2015). 2527:Advances in Health Sciences Education 2139: 2087: 2056: 1860: 1714:. Harvard University Press. pp.  1541: 1500: 1498: 1090:Johnson, Valen E. (October 9, 2013). 959: 929: 513:). It is usually set at or below 5%. 358:Sometimes researchers talk about the 5684: 5384:Accelerated failure time (AFT) model 3039: 1770: 1056: 1054: 99:by the standards of the study, when 5696: 4979:Analysis of variance (ANOVA, anova) 3831: 2921:"Redefine statistical significance" 2396:10.17763/haer.48.3.t490261645281841 744:Basic and Applied Social Psychology 417:is partitioned to both ends of the 282: 24: 5074:Cochran–Mantel–Haenszel statistics 3700:Pearson product-moment correlation 3147: 2672:"Psychology journal bans P values" 2539:10.1023/B:AHSE.0000038173.00909.f6 1664:Practical Nonparametric Statistics 1504: 1495: 943:Statistics for the Social Sciences 704: 642:-value of about 1 in 3.5 million. 638:criterion, which corresponds to a 25: 5735: 3353: 2736:Antonakis, John (February 2017). 1949:"Confidence Interval or P-Value?" 1749:in Statisticians of the Centuries 1051: 27:Concept in inferential statistics 5695: 5683: 5671: 5658: 5657: 5448: 3260:Introducing Statistical Methods, 1151:Biostatistics in Clinical Trials 1062:"Statistical Hypothesis Testing" 859: 787:American Statistical Association 649:, significance levels as low as 5333:Least-squares spectral analysis 3060: 3033: 2990: 2963: 2912: 2860: 2803: 2729: 2704: 2663: 2648: 2619: 2586: 1989: 1939: 1703: 1617: 1592: 1535: 1394:The Practice of Social Research 789:(ASA) published a statement on 647:genome-wide association studies 5724:Statistical hypothesis testing 4314:Mean-unbiased minimum-variance 3417: 3040:Vyse, Stuart (November 2017). 2670:Woolston, Chris (2015-03-05). 2417:Ioannidis, John P. A. (2005). 1027:Introductory Statistics with R 669: 660: 382:Statistical hypothesis testing 32:statistical hypothesis testing 13: 1: 5627:Geographic information system 4843:Simultaneous equations models 3137:10.1080/00031305.2019.1583913 2796:10.1080/00031305.2016.1154108 2711:Siegfried, Tom (2015-03-17). 923: 719: 118:{\displaystyle p\leq \alpha } 4810:Coefficient of determination 4421:Uniformly most powerful test 3207:University of Michigan Press 2757:10.1016/j.leaqua.2017.01.006 2436:10.1371/journal.pmed.0020124 2350:10.1371/journal.pgen.1002812 2224:Bracken, Michael B. (2013). 1844:Hypothesis-testing Behaviour 1751:, Springer, pp. 39–42, 1710:Stigler, Stephen M. (1986). 1548:Postgraduate Medical Journal 1359:Sproull, Natalie L. (2002). 907:Multiple comparisons problem 7: 5379:Proportional hazards models 5323:Spectral density estimation 5305:Vector autoregression (VAR) 4739:Maximum posterior estimator 3971:Randomized controlled trial 3238:10.1016/j.socec.2004.09.034 1953:Deutsches Ärzteblatt Online 1542:Leung, W.-C. (2001-03-01). 1273:Altman, Douglas G. (1999). 1035:10.1007/978-0-387-79054-1_9 852: 606:In specific fields such as 10: 5740: 5139:Multivariate distributions 3559:Average absolute deviation 3337:10.1038/d41586-019-00857-9 3226:Journal of Socio-Economics 3094:10.1038/d41586-019-00857-9 2384:Harvard Educational Review 1811:Fisher, Ronald A. (1925). 917:Texas sharpshooter fallacy 841:{\displaystyle p\leq 0.05} 723: 708: 673: 595: 379: 174: 170: 97:statistically significant, 5653: 5607: 5544: 5497: 5460: 5456: 5443: 5415: 5397: 5364: 5355: 5313: 5260: 5221: 5170: 5161: 5127:Structural equation model 5082: 5039: 5035: 5010: 4969: 4935: 4889: 4856: 4818: 4785: 4781: 4757: 4697: 4606: 4525: 4489: 4480: 4463:Score/Lagrange multiplier 4448: 4401: 4346: 4272: 4263: 4073: 4069: 4056: 4015: 3989: 3941: 3896: 3878:Sample size determination 3843: 3839: 3826: 3730: 3685: 3659: 3641: 3597: 3549: 3469: 3460: 3456: 3443: 3425: 3217:. Reviews and reception: 3123:The American Statistician 3011:10.1038/s41562-017-0224-0 2984:10.1038/nature.2017.22625 2938:10.1038/s41562-017-0189-z 2782:The American Statistician 2659:. Science-Based Medicine. 2635:www.education.leeds.ac.uk 2603:10.1002/9781118865064.ch5 2088:Healy, Joseph F. (2009). 1965:10.3238/arztebl.2009.0335 1925:10.1017/S030500410001152X 697:between two variables or 398:Type I and type II errors 5622:Environmental statistics 5144:Elliptical distributions 4937:Generalized linear model 4866:Simple linear regression 4636:Hodges–Lehmann estimator 4093:Probability distribution 4002:Stochastic approximation 3564:Coefficient of variation 2970:Chawla, Dalmeet (2017). 2828:10.1177/0013164416668232 2745:The Leadership Quarterly 2113:McKillup, Steve (2006). 1442:McKillup, Steve (2006). 731:Overuse in some journals 252:. They recommended that 161:statistical significance 136:that involves drawing a 36:statistical significance 5282:Cross-correlation (XCF) 4890:Non-standard predictors 4324:Lehmann–ScheffĂ© theorem 3997:Adaptive clinical trial 3262:Sage Publications Ltd, 2887:10.1038/s41562-016-0021 2196:Vaughan, Simon (2013). 1624:John Arbuthnot (1710). 1309:Devore, Jay L. (2011). 1232:Nature Reviews Genetics 1174:Cumming, Geoff (2012). 1117:10.1073/pnas.1313476110 781:Redefining significance 695:correlation coefficient 538:conditional probability 529:{\displaystyle \alpha } 498:{\displaystyle \alpha } 478:{\displaystyle \alpha } 447:{\displaystyle \alpha } 340:{\displaystyle \alpha } 300:{\displaystyle \alpha } 287:The significance level 265:{\displaystyle \alpha } 245:{\displaystyle \alpha } 228:called this cutoff the 59:{\displaystyle \alpha } 5678:Mathematics portal 5499:Engineering statistics 5407:Nelson–Aalen estimator 4984:Analysis of covariance 4871:Ordinary least squares 4795:Pearson product-moment 4199:Statistical functional 4110:Empirical distribution 3943:Controlled experiments 3672:Frequency distribution 3450:Descriptive statistics 3296:Cohen, Joseph (1994). 3244:Chow, Siu L., (1996). 3176:reproducibility crises 2999:Nature Human Behaviour 2925:Nature Human Behaviour 2874:Nature Human Behaviour 2300:10.1038/nprot.2010.182 2146:Health, David (1995). 2034:10.1098/rsta.1937.0005 1648:10.1098/rstl.1710.0011 1560:10.1136/pmj.77.905.201 850: 842: 701:, and other measures. 573:alternative hypothesis 530: 499: 479: 448: 422: 390:Alternative hypothesis 341: 321: 301: 266: 246: 119: 88: 60: 5594:Population statistics 5536:System identification 5270:Autocorrelation (ACF) 5198:Exponential smoothing 5112:Discriminant analysis 5107:Canonical correlation 4971:Partition of variance 4833:Regression validation 4677:(Jonckheere–Terpstra) 4576:Likelihood-ratio test 4265:Frequentist inference 4177:Location–scale family 4098:Sampling distribution 4063:Statistical inference 4030:Cross-sectional study 4017:Observational studies 3976:Randomized experiment 3805:Stem-and-leaf display 3607:Central limit theorem 902:Look-elsewhere effect 884:Estimation statistics 843: 819: 596:Further information: 554:sampling distribution 531: 500: 480: 449: 419:sampling distribution 405: 342: 322: 307:is the threshold for 302: 267: 247: 205:-value § History 177:History of statistics 165:clinical significance 120: 89: 61: 5517:Probabilistic design 5102:Principal components 4945:Exponential families 4897:Nonlinear regression 4876:General linear model 4838:Mixed effects models 4828:Errors and residuals 4805:Confounding variable 4707:Bayesian probability 4685:Van der Waerden test 4675:Ordered alternative 4440:Multiple comparisons 4319:Rao–Blackwellization 4282:Estimating equations 4238:Statistical distance 3956:Factorial experiment 3489:Arithmetic-Geometric 3273:Kline, Rex, (2004). 3219:(compiled by Ziliak) 2173:Statistics explained 1641:(325–336): 186–190. 1361:"Hypothesis testing" 826: 520: 489: 469: 438: 331: 311: 291: 256: 236: 187:Pierre-Simon Laplace 103: 78: 50: 5589:Official statistics 5512:Methods engineering 5193:Seasonal adjustment 4961:Poisson regressions 4881:Bayesian regression 4820:Regression analysis 4800:Partial correlation 4772:Regression analysis 4371:Prediction interval 4366:Likelihood interval 4356:Confidence interval 4348:Interval estimation 4309:Unbiased estimators 4127:Model specification 4007:Up-and-down designs 3695:Partial correlation 3651:Index of dispersion 3569:Interquartile range 3328:2019Natur.567..305A 3258:Volume 1 of series 3156:Scientific American 3085:2019Natur.567..305A 2688:2015Natur.519....9W 2026:1937RSPTA.236..333N 1917:1933PCPS...29..492N 1775:, Wiley, p. 65 1686:Sprent, P. (1989), 1108:2013PNAS..11019313J 1102:(48): 19313–19317. 768:Bayesian statistics 624:normal distribution 602:Normal distribution 505:is also called the 232:, which they named 189:, who computed the 5609:Spatial statistics 5489:Medical statistics 5389:First hitting time 5343:Whittle likelihood 4994:Degrees of freedom 4989:Multivariate ANOVA 4922:Heteroscedasticity 4734:Bayesian estimator 4699:Bayesian inference 4548:Kolmogorov–Smirnov 4433:Randomization test 4403:Testing hypotheses 4376:Tolerance interval 4287:Maximum likelihood 4182:Exponential family 4115:Density estimation 4075:Statistical theory 4035:Natural experiment 3981:Scientific control 3898:Survey methodology 3584:Standard deviation 3373:2022-09-07 at the 3302:2017-07-13 at the 3252:2013-12-03 at the 3200:2010-06-08 at the 2490:10.7717/peerj.3544 1507:"What is P-value?" 1208:10.1038/nmeth.2698 867:Mathematics portal 838: 726:Misuse of p-values 616:standard deviation 598:Standard deviation 536:is set to 5%, the 526: 516:For example, when 507:significance level 495: 475: 444: 423: 337: 317: 297: 262: 242: 230:significance level 148:alone. But if the 115: 84: 56: 44:significance level 18:Significance level 5711: 5710: 5649: 5648: 5645: 5644: 5584:National accounts 5554:Actuarial science 5546:Social statistics 5439: 5438: 5435: 5434: 5431: 5430: 5366:Survival function 5351: 5350: 5213:Granger causality 5054:Contingency table 5029:Survival analysis 5006: 5005: 5002: 5001: 4858:Linear regression 4753: 4752: 4749: 4748: 4724:Credible interval 4693: 4692: 4476: 4475: 4292:Method of moments 4161:Parametric family 4122:Statistical model 4052: 4051: 4048: 4047: 3966:Random assignment 3888:Statistical power 3822: 3821: 3818: 3817: 3667:Contingency table 3637: 3636: 3504:Generalized/power 3322:(7748): 305–307. 3268:978-0-7619-5205-3 3215:978-0-472-07007-7 3190:Deirdre McCloskey 3180:scientific fields 3079:(7748): 305–307. 2612:978-1-118-86497-5 2579:978-0-8058-1063-9 2268:978-0-8229-4430-0 2243:978-0-300-18884-4 2207:978-1-107-02482-3 2182:978-1-84872-312-2 2157:978-1-85728-132-3 2132:978-0-521-54316-3 2099:978-0-495-60143-2 2074:978-1-111-34280-7 1889:978-0-521-00976-8 1853:978-1-84169-159-6 1828:978-0-05-002170-5 1797:978-0-415-87968-2 1758:978-0-387-95329-8 1725:978-0-674-40341-3 1697:978-0-412-44980-2 1673:978-0-471-16068-7 1610:978-1-4020-6036-6 1523:on March 31, 2020 1488:978-0-8058-6431-1 1463:978-0-521-54316-3 1428:978-1-4129-3982-9 1403:978-1-133-04979-1 1378:978-0-8108-4486-5 1345:978-1-4129-1611-0 1320:978-0-538-73352-6 1292:978-0-412-27630-9 1201:(11): 1041–1042. 1160:978-0-471-82211-0 1066:www.dartmouth.edu 1044:978-0-387-79053-4 1008:978-0-8058-6431-1 980:978-0-87389-745-7 952:978-1-4129-0546-6 760:likelihood ratios 569:research question 320:{\displaystyle p} 87:{\displaystyle p} 16:(Redirected from 5731: 5699: 5698: 5687: 5686: 5676: 5675: 5661: 5660: 5564:Crime statistics 5458: 5457: 5445: 5444: 5362: 5361: 5328:Fourier analysis 5315:Frequency domain 5295: 5242: 5208:Structural break 5168: 5167: 5117:Cluster analysis 5064:Log-linear model 5037: 5036: 5012: 5011: 4953: 4927:Homoscedasticity 4783: 4782: 4759: 4758: 4678: 4670: 4662: 4661:(Kruskal–Wallis) 4646: 4631: 4586:Cross validation 4571: 4553:Anderson–Darling 4500: 4487: 4486: 4458:Likelihood-ratio 4450:Parametric tests 4428:Permutation test 4411:1- & 2-tails 4302:Minimum distance 4274:Point estimation 4270: 4269: 4221:Optimal decision 4172: 4071: 4070: 4058: 4057: 4040:Quasi-experiment 3990:Adaptive designs 3841: 3840: 3828: 3827: 3705:Rank correlation 3467: 3466: 3458: 3457: 3445: 3444: 3412: 3405: 3398: 3389: 3388: 3349: 3339: 3241: 3142: 3141: 3139: 3113: 3107: 3106: 3096: 3064: 3058: 3057: 3055: 3053: 3037: 3031: 3030: 2994: 2988: 2987: 2967: 2961: 2960: 2950: 2940: 2916: 2910: 2909: 2899: 2889: 2864: 2858: 2857: 2847: 2807: 2801: 2800: 2798: 2772: 2761: 2760: 2742: 2733: 2727: 2726: 2724: 2723: 2708: 2702: 2701: 2699: 2667: 2661: 2660: 2652: 2646: 2645: 2643: 2642: 2623: 2617: 2616: 2590: 2584: 2583: 2565: 2559: 2558: 2522: 2513: 2512: 2502: 2492: 2468: 2459: 2458: 2448: 2438: 2414: 2408: 2407: 2379: 2373: 2372: 2362: 2352: 2328: 2322: 2321: 2311: 2288:Nature Protocols 2279: 2273: 2272: 2254: 2248: 2247: 2231: 2221: 2212: 2211: 2193: 2187: 2186: 2168: 2162: 2161: 2143: 2137: 2136: 2120: 2110: 2104: 2103: 2085: 2079: 2078: 2060: 2054: 2053: 2020:(767): 333–380. 2004: 1998: 1993: 1987: 1986: 1976: 1943: 1937: 1936: 1900: 1894: 1893: 1869: 1858: 1857: 1839: 1833: 1832: 1808: 1802: 1801: 1783: 1777: 1776: 1768: 1762: 1761: 1736: 1730: 1729: 1707: 1701: 1700: 1683: 1677: 1676: 1659: 1653: 1652: 1650: 1630: 1621: 1615: 1614: 1596: 1590: 1589: 1579: 1554:(905): 201–204. 1539: 1533: 1532: 1530: 1528: 1522: 1516:. 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statistic 4065: 4044: 4011: 3985: 3937: 3892: 3835: 3833:Data collection 3814: 3726: 3681: 3655: 3633: 3593: 3545: 3462:Continuous data 3452: 3439: 3421: 3416: 3375:Wayback Machine 3356: 3304:Wayback Machine 3254:Wayback Machine 3202:Wayback Machine 3186:Ziliak, Stephen 3150: 3148:Further reading 3145: 3114: 3110: 3065: 3061: 3051: 3049: 3038: 3034: 2995: 2991: 2968: 2964: 2917: 2913: 2865: 2861: 2808: 2804: 2773: 2764: 2740: 2734: 2730: 2721: 2719: 2709: 2705: 2697:10.1038/519009f 2668: 2664: 2653: 2649: 2640: 2638: 2625: 2624: 2620: 2613: 2591: 2587: 2580: 2566: 2562: 2523: 2516: 2469: 2462: 2415: 2411: 2380: 2376: 2343:(7): e1002812. 2329: 2325: 2280: 2276: 2269: 2255: 2251: 2244: 2222: 2215: 2208: 2194: 2190: 2183: 2169: 2165: 2158: 2144: 2140: 2133: 2111: 2107: 2100: 2086: 2082: 2075: 2061: 2057: 2005: 2001: 1994: 1990: 1944: 1940: 1901: 1897: 1890: 1870: 1861: 1854: 1840: 1836: 1829: 1809: 1805: 1798: 1784: 1780: 1769: 1765: 1759: 1737: 1733: 1726: 1708: 1704: 1698: 1684: 1680: 1674: 1660: 1656: 1628: 1622: 1618: 1611: 1597: 1593: 1540: 1536: 1526: 1524: 1520: 1509: 1505:Hooper, Peter. 1503: 1496: 1489: 1475: 1471: 1464: 1440: 1436: 1429: 1415: 1411: 1404: 1390: 1386: 1379: 1357: 1353: 1346: 1332: 1328: 1321: 1307: 1300: 1293: 1271: 1267: 1244:10.1038/nrg3706 1228: 1224: 1187: 1183: 1172: 1168: 1161: 1147: 1143: 1088: 1084: 1075: 1073: 1060: 1059: 1052: 1045: 1023: 1016: 1009: 995: 988: 981: 967: 960: 953: 939: 930: 926: 898:of significance 889:Fisher's method 865: 858: 855: 827: 824: 823: 783: 736: 733: 728: 722: 713: 711:Reproducibility 707: 705:Reproducibility 678: 672: 663: 652: 650: 604: 594: 562:two-tailed test 558:one-tailed test 521: 518: 517: 490: 487: 486: 470: 467: 466: 439: 436: 435: 427:null hypothesis 411: 408:two-tailed test 400: 386:Null hypothesis 380:Main articles: 378: 362: 332: 329: 328: 312: 309: 308: 292: 289: 288: 285: 257: 254: 253: 237: 234: 233: 198:human sex ratio 179: 173: 104: 101: 100: 79: 76: 75: 51: 48: 47: 40:null hypothesis 34:, a result has 28: 23: 22: 15: 12: 11: 5: 5737: 5727: 5726: 5709: 5708: 5706: 5705: 5693: 5681: 5667: 5654: 5651: 5650: 5647: 5646: 5643: 5642: 5640: 5639: 5634: 5629: 5624: 5619: 5613: 5611: 5605: 5604: 5602: 5601: 5596: 5591: 5586: 5581: 5576: 5571: 5566: 5561: 5556: 5550: 5548: 5542: 5541: 5539: 5538: 5533: 5528: 5519: 5514: 5509: 5503: 5501: 5495: 5494: 5492: 5491: 5486: 5481: 5472: 5470:Bioinformatics 5466: 5464: 5454: 5453: 5441: 5440: 5437: 5436: 5433: 5432: 5429: 5428: 5426: 5425: 5419: 5417: 5413: 5412: 5410: 5409: 5403: 5401: 5395: 5394: 5392: 5391: 5386: 5381: 5376: 5370: 5368: 5359: 5353: 5352: 5349: 5348: 5346: 5345: 5340: 5335: 5330: 5325: 5319: 5317: 5311: 5310: 5308: 5307: 5302: 5297: 5289: 5284: 5279: 5278: 5277: 5275:partial (PACF) 5266: 5264: 5258: 5257: 5255: 5254: 5249: 5244: 5236: 5231: 5225: 5223: 5222:Specific tests 5219: 5218: 5216: 5215: 5210: 5205: 5200: 5195: 5190: 5185: 5180: 5174: 5172: 5165: 5159: 5158: 5156: 5155: 5154: 5153: 5152: 5151: 5136: 5135: 5134: 5124: 5122:Classification 5119: 5114: 5109: 5104: 5099: 5094: 5088: 5086: 5080: 5079: 5077: 5076: 5071: 5069:McNemar's test 5066: 5061: 5056: 5051: 5045: 5043: 5033: 5032: 5008: 5007: 5004: 5003: 5000: 4999: 4997: 4996: 4991: 4986: 4981: 4975: 4973: 4967: 4966: 4964: 4963: 4947: 4941: 4939: 4933: 4932: 4930: 4929: 4924: 4919: 4914: 4909: 4907:Semiparametric 4904: 4899: 4893: 4891: 4887: 4886: 4884: 4883: 4878: 4873: 4868: 4862: 4860: 4854: 4853: 4851: 4850: 4845: 4840: 4835: 4830: 4824: 4822: 4816: 4815: 4813: 4812: 4807: 4802: 4797: 4791: 4789: 4779: 4778: 4775: 4774: 4769: 4763: 4755: 4754: 4751: 4750: 4747: 4746: 4744: 4743: 4742: 4741: 4731: 4726: 4721: 4720: 4719: 4714: 4703: 4701: 4695: 4694: 4691: 4690: 4688: 4687: 4682: 4681: 4680: 4672: 4664: 4648: 4645:(Mann–Whitney) 4640: 4639: 4638: 4625: 4624: 4623: 4612: 4610: 4604: 4603: 4601: 4600: 4599: 4598: 4593: 4588: 4578: 4573: 4570:(Shapiro–Wilk) 4565: 4560: 4555: 4550: 4545: 4537: 4531: 4529: 4523: 4522: 4520: 4519: 4511: 4502: 4490: 4484: 4482:Specific tests 4478: 4477: 4474: 4473: 4471: 4470: 4465: 4460: 4454: 4452: 4446: 4445: 4443: 4442: 4437: 4436: 4435: 4425: 4424: 4423: 4413: 4407: 4405: 4399: 4398: 4396: 4395: 4394: 4393: 4388: 4378: 4373: 4368: 4363: 4358: 4352: 4350: 4344: 4343: 4341: 4340: 4335: 4334: 4333: 4328: 4327: 4326: 4321: 4306: 4305: 4304: 4299: 4294: 4289: 4278: 4276: 4267: 4261: 4260: 4258: 4257: 4252: 4247: 4246: 4245: 4235: 4230: 4229: 4228: 4218: 4217: 4216: 4211: 4206: 4196: 4191: 4186: 4185: 4184: 4179: 4174: 4158: 4157: 4156: 4151: 4146: 4136: 4135: 4134: 4129: 4119: 4118: 4117: 4107: 4106: 4105: 4095: 4090: 4085: 4079: 4077: 4067: 4066: 4054: 4053: 4050: 4049: 4046: 4045: 4043: 4042: 4037: 4032: 4027: 4021: 4019: 4013: 4012: 4010: 4009: 4004: 3999: 3993: 3991: 3987: 3986: 3984: 3983: 3978: 3973: 3968: 3963: 3958: 3953: 3947: 3945: 3939: 3938: 3936: 3935: 3933:Standard error 3930: 3925: 3920: 3919: 3918: 3913: 3902: 3900: 3894: 3893: 3891: 3890: 3885: 3880: 3875: 3870: 3865: 3863:Optimal design 3860: 3855: 3849: 3847: 3837: 3836: 3824: 3823: 3820: 3819: 3816: 3815: 3813: 3812: 3807: 3802: 3797: 3792: 3787: 3782: 3777: 3772: 3767: 3762: 3757: 3752: 3747: 3742: 3736: 3734: 3728: 3727: 3725: 3724: 3719: 3718: 3717: 3712: 3702: 3697: 3691: 3689: 3683: 3682: 3680: 3679: 3674: 3669: 3663: 3661: 3660:Summary tables 3657: 3656: 3654: 3653: 3647: 3645: 3639: 3638: 3635: 3634: 3632: 3631: 3630: 3629: 3624: 3619: 3609: 3603: 3601: 3595: 3594: 3592: 3591: 3586: 3581: 3576: 3571: 3566: 3561: 3555: 3553: 3547: 3546: 3544: 3543: 3538: 3533: 3532: 3531: 3526: 3521: 3516: 3511: 3506: 3501: 3496: 3494:Contraharmonic 3491: 3486: 3475: 3473: 3464: 3454: 3453: 3441: 3440: 3438: 3437: 3432: 3426: 3423: 3422: 3415: 3414: 3407: 3400: 3392: 3386: 3385: 3378: 3364: 3355: 3354:External links 3352: 3351: 3350: 3307: 3294: 3280: 3271: 3242: 3232:(5): 607–613. 3221: 3183: 3149: 3146: 3144: 3143: 3130:(sup1): 1–19. 3108: 3059: 3032: 2989: 2962: 2911: 2859: 2822:(4): 631–662. 2802: 2789:(2): 129–133. 2762: 2728: 2703: 2662: 2647: 2618: 2611: 2585: 2578: 2560: 2514: 2460: 2409: 2390:(3): 378–399. 2374: 2323: 2274: 2267: 2249: 2242: 2213: 2206: 2188: 2181: 2163: 2156: 2138: 2131: 2105: 2098: 2080: 2073: 2055: 1999: 1988: 1938: 1911:(4): 492–510. 1895: 1888: 1859: 1852: 1834: 1827: 1803: 1796: 1778: 1763: 1757: 1731: 1724: 1702: 1696: 1678: 1672: 1654: 1616: 1609: 1591: 1534: 1494: 1487: 1469: 1462: 1434: 1427: 1409: 1402: 1384: 1377: 1351: 1344: 1326: 1319: 1298: 1291: 1265: 1238:(5): 335–346. 1222: 1195:Nature Methods 1181: 1166: 1159: 1141: 1082: 1050: 1043: 1014: 1007: 986: 979: 958: 951: 927: 925: 922: 921: 920: 914: 909: 904: 899: 891:for combining 886: 881: 871: 870: 854: 851: 837: 834: 831: 782: 779: 732: 729: 721: 718: 709:Main article: 706: 703: 674:Main article: 671: 668: 662: 659: 593: 590: 525: 494: 474: 443: 377: 374: 349:false positive 336: 316: 296: 284: 281: 261: 241: 183:John Arbuthnot 175:Main article: 172: 169: 146:sampling error 114: 111: 108: 83: 55: 26: 9: 6: 4: 3: 2: 5736: 5725: 5722: 5721: 5719: 5704: 5703: 5694: 5692: 5691: 5682: 5680: 5679: 5674: 5668: 5666: 5665: 5656: 5655: 5652: 5638: 5635: 5633: 5632:Geostatistics 5630: 5628: 5625: 5623: 5620: 5618: 5615: 5614: 5612: 5610: 5606: 5600: 5599:Psychometrics 5597: 5595: 5592: 5590: 5587: 5585: 5582: 5580: 5577: 5575: 5572: 5570: 5567: 5565: 5562: 5560: 5557: 5555: 5552: 5551: 5549: 5547: 5543: 5537: 5534: 5532: 5529: 5527: 5523: 5520: 5518: 5515: 5513: 5510: 5508: 5505: 5504: 5502: 5500: 5496: 5490: 5487: 5485: 5482: 5480: 5476: 5473: 5471: 5468: 5467: 5465: 5463: 5462:Biostatistics 5459: 5455: 5451: 5446: 5442: 5424: 5423:Log-rank test 5421: 5420: 5418: 5414: 5408: 5405: 5404: 5402: 5400: 5396: 5390: 5387: 5385: 5382: 5380: 5377: 5375: 5372: 5371: 5369: 5367: 5363: 5360: 5358: 5354: 5344: 5341: 5339: 5336: 5334: 5331: 5329: 5326: 5324: 5321: 5320: 5318: 5316: 5312: 5306: 5303: 5301: 5298: 5296: 5294:(Box–Jenkins) 5290: 5288: 5285: 5283: 5280: 5276: 5273: 5272: 5271: 5268: 5267: 5265: 5263: 5259: 5253: 5250: 5248: 5247:Durbin–Watson 5245: 5243: 5237: 5235: 5232: 5230: 5229:Dickey–Fuller 5227: 5226: 5224: 5220: 5214: 5211: 5209: 5206: 5204: 5203:Cointegration 5201: 5199: 5196: 5194: 5191: 5189: 5186: 5184: 5181: 5179: 5178:Decomposition 5176: 5175: 5173: 5169: 5166: 5164: 5160: 5150: 5147: 5146: 5145: 5142: 5141: 5140: 5137: 5133: 5130: 5129: 5128: 5125: 5123: 5120: 5118: 5115: 5113: 5110: 5108: 5105: 5103: 5100: 5098: 5095: 5093: 5090: 5089: 5087: 5085: 5081: 5075: 5072: 5070: 5067: 5065: 5062: 5060: 5057: 5055: 5052: 5050: 5049:Cohen's kappa 5047: 5046: 5044: 5042: 5038: 5034: 5030: 5026: 5022: 5018: 5013: 5009: 4995: 4992: 4990: 4987: 4985: 4982: 4980: 4977: 4976: 4974: 4972: 4968: 4962: 4958: 4954: 4948: 4946: 4943: 4942: 4940: 4938: 4934: 4928: 4925: 4923: 4920: 4918: 4915: 4913: 4910: 4908: 4905: 4903: 4902:Nonparametric 4900: 4898: 4895: 4894: 4892: 4888: 4882: 4879: 4877: 4874: 4872: 4869: 4867: 4864: 4863: 4861: 4859: 4855: 4849: 4846: 4844: 4841: 4839: 4836: 4834: 4831: 4829: 4826: 4825: 4823: 4821: 4817: 4811: 4808: 4806: 4803: 4801: 4798: 4796: 4793: 4792: 4790: 4788: 4784: 4780: 4773: 4770: 4768: 4765: 4764: 4760: 4756: 4740: 4737: 4736: 4735: 4732: 4730: 4727: 4725: 4722: 4718: 4715: 4713: 4710: 4709: 4708: 4705: 4704: 4702: 4700: 4696: 4686: 4683: 4679: 4673: 4671: 4665: 4663: 4657: 4656: 4655: 4652: 4651:Nonparametric 4649: 4647: 4641: 4637: 4634: 4633: 4632: 4626: 4622: 4621:Sample median 4619: 4618: 4617: 4614: 4613: 4611: 4609: 4605: 4597: 4594: 4592: 4589: 4587: 4584: 4583: 4582: 4579: 4577: 4574: 4572: 4566: 4564: 4561: 4559: 4556: 4554: 4551: 4549: 4546: 4544: 4542: 4538: 4536: 4533: 4532: 4530: 4528: 4524: 4518: 4516: 4512: 4510: 4508: 4503: 4501: 4496: 4492: 4491: 4488: 4485: 4483: 4479: 4469: 4466: 4464: 4461: 4459: 4456: 4455: 4453: 4451: 4447: 4441: 4438: 4434: 4431: 4430: 4429: 4426: 4422: 4419: 4418: 4417: 4414: 4412: 4409: 4408: 4406: 4404: 4400: 4392: 4389: 4387: 4384: 4383: 4382: 4379: 4377: 4374: 4372: 4369: 4367: 4364: 4362: 4359: 4357: 4354: 4353: 4351: 4349: 4345: 4339: 4336: 4332: 4329: 4325: 4322: 4320: 4317: 4316: 4315: 4312: 4311: 4310: 4307: 4303: 4300: 4298: 4295: 4293: 4290: 4288: 4285: 4284: 4283: 4280: 4279: 4277: 4275: 4271: 4268: 4266: 4262: 4256: 4253: 4251: 4248: 4244: 4241: 4240: 4239: 4236: 4234: 4231: 4227: 4226:loss function 4224: 4223: 4222: 4219: 4215: 4212: 4210: 4207: 4205: 4202: 4201: 4200: 4197: 4195: 4192: 4190: 4187: 4183: 4180: 4178: 4175: 4173: 4167: 4164: 4163: 4162: 4159: 4155: 4152: 4150: 4147: 4145: 4142: 4141: 4140: 4137: 4133: 4130: 4128: 4125: 4124: 4123: 4120: 4116: 4113: 4112: 4111: 4108: 4104: 4101: 4100: 4099: 4096: 4094: 4091: 4089: 4086: 4084: 4081: 4080: 4078: 4076: 4072: 4068: 4064: 4059: 4055: 4041: 4038: 4036: 4033: 4031: 4028: 4026: 4023: 4022: 4020: 4018: 4014: 4008: 4005: 4003: 4000: 3998: 3995: 3994: 3992: 3988: 3982: 3979: 3977: 3974: 3972: 3969: 3967: 3964: 3962: 3959: 3957: 3954: 3952: 3949: 3948: 3946: 3944: 3940: 3934: 3931: 3929: 3928:Questionnaire 3926: 3924: 3921: 3917: 3914: 3912: 3909: 3908: 3907: 3904: 3903: 3901: 3899: 3895: 3889: 3886: 3884: 3881: 3879: 3876: 3874: 3871: 3869: 3866: 3864: 3861: 3859: 3856: 3854: 3851: 3850: 3848: 3846: 3842: 3838: 3834: 3829: 3825: 3811: 3808: 3806: 3803: 3801: 3798: 3796: 3793: 3791: 3788: 3786: 3783: 3781: 3778: 3776: 3773: 3771: 3768: 3766: 3763: 3761: 3758: 3756: 3755:Control chart 3753: 3751: 3748: 3746: 3743: 3741: 3738: 3737: 3735: 3733: 3729: 3723: 3720: 3716: 3713: 3711: 3708: 3707: 3706: 3703: 3701: 3698: 3696: 3693: 3692: 3690: 3688: 3684: 3678: 3675: 3673: 3670: 3668: 3665: 3664: 3662: 3658: 3652: 3649: 3648: 3646: 3644: 3640: 3628: 3625: 3623: 3620: 3618: 3615: 3614: 3613: 3610: 3608: 3605: 3604: 3602: 3600: 3596: 3590: 3587: 3585: 3582: 3580: 3577: 3575: 3572: 3570: 3567: 3565: 3562: 3560: 3557: 3556: 3554: 3552: 3548: 3542: 3539: 3537: 3534: 3530: 3527: 3525: 3522: 3520: 3517: 3515: 3512: 3510: 3507: 3505: 3502: 3500: 3497: 3495: 3492: 3490: 3487: 3485: 3482: 3481: 3480: 3477: 3476: 3474: 3472: 3468: 3465: 3463: 3459: 3455: 3451: 3446: 3442: 3436: 3433: 3431: 3428: 3427: 3424: 3420: 3413: 3408: 3406: 3401: 3399: 3394: 3393: 3390: 3383: 3379: 3376: 3372: 3369: 3365: 3362: 3359:The article " 3358: 3357: 3347: 3343: 3338: 3333: 3329: 3325: 3321: 3317: 3313: 3308: 3305: 3301: 3298: 3295: 3292: 3288: 3284: 3283:Nuzzo, Regina 3281: 3278: 3277: 3272: 3269: 3265: 3261: 3257: 3255: 3251: 3248: 3243: 3239: 3235: 3231: 3227: 3222: 3220: 3216: 3212: 3208: 3205:. Ann Arbor, 3204: 3203: 3199: 3196: 3191: 3187: 3184: 3181: 3177: 3173: 3169: 3165: 3163: 3158: 3157: 3152: 3151: 3138: 3133: 3129: 3125: 3124: 3119: 3112: 3104: 3100: 3095: 3090: 3086: 3082: 3078: 3074: 3070: 3063: 3047: 3043: 3036: 3028: 3024: 3020: 3016: 3012: 3008: 3004: 3000: 2993: 2985: 2981: 2977: 2973: 2966: 2958: 2954: 2949: 2944: 2939: 2934: 2930: 2926: 2922: 2915: 2907: 2903: 2898: 2893: 2888: 2883: 2879: 2875: 2871: 2863: 2855: 2851: 2846: 2841: 2837: 2833: 2829: 2825: 2821: 2817: 2813: 2806: 2797: 2792: 2788: 2784: 2783: 2778: 2771: 2769: 2767: 2758: 2754: 2750: 2746: 2739: 2732: 2718: 2714: 2707: 2698: 2693: 2689: 2685: 2681: 2677: 2673: 2666: 2658: 2651: 2636: 2632: 2630: 2622: 2614: 2608: 2604: 2600: 2596: 2589: 2581: 2575: 2571: 2564: 2556: 2552: 2548: 2544: 2540: 2536: 2532: 2528: 2521: 2519: 2510: 2506: 2501: 2496: 2491: 2486: 2482: 2478: 2474: 2467: 2465: 2456: 2452: 2447: 2442: 2437: 2432: 2428: 2424: 2423:PLOS Medicine 2420: 2413: 2405: 2401: 2397: 2393: 2389: 2385: 2378: 2370: 2366: 2361: 2356: 2351: 2346: 2342: 2338: 2337:PLOS Genetics 2334: 2327: 2319: 2315: 2310: 2305: 2301: 2297: 2294:(2): 121–33. 2293: 2289: 2285: 2278: 2270: 2264: 2260: 2253: 2245: 2239: 2235: 2230: 2229: 2220: 2218: 2209: 2203: 2199: 2192: 2184: 2178: 2174: 2167: 2159: 2153: 2149: 2142: 2134: 2128: 2124: 2119: 2118: 2109: 2101: 2095: 2091: 2084: 2076: 2070: 2066: 2059: 2051: 2047: 2043: 2039: 2035: 2031: 2027: 2023: 2019: 2015: 2014: 2009: 2003: 1997: 1992: 1984: 1980: 1975: 1970: 1966: 1962: 1959:(19): 335–9. 1958: 1954: 1950: 1942: 1934: 1930: 1926: 1922: 1918: 1914: 1910: 1906: 1899: 1891: 1885: 1881: 1877: 1876: 1868: 1866: 1864: 1855: 1849: 1845: 1838: 1830: 1824: 1820: 1816: 1815: 1807: 1799: 1793: 1789: 1782: 1774: 1767: 1760: 1754: 1750: 1746: 1742: 1735: 1727: 1721: 1717: 1713: 1706: 1699: 1693: 1689: 1682: 1675: 1669: 1665: 1658: 1649: 1644: 1640: 1636: 1635: 1627: 1620: 1612: 1606: 1602: 1595: 1587: 1583: 1578: 1573: 1569: 1565: 1561: 1557: 1553: 1549: 1545: 1538: 1519: 1515: 1508: 1501: 1499: 1490: 1484: 1480: 1473: 1465: 1459: 1455: 1451: 1446: 1438: 1430: 1424: 1420: 1413: 1405: 1399: 1395: 1388: 1380: 1374: 1370: 1366: 1362: 1355: 1347: 1341: 1337: 1330: 1322: 1316: 1312: 1305: 1303: 1294: 1288: 1284: 1279: 1278: 1269: 1261: 1257: 1253: 1249: 1245: 1241: 1237: 1233: 1226: 1218: 1214: 1209: 1204: 1200: 1196: 1192: 1185: 1177: 1170: 1162: 1156: 1152: 1145: 1137: 1133: 1128: 1123: 1118: 1113: 1109: 1105: 1101: 1097: 1093: 1086: 1072:on 2020-08-02 1071: 1067: 1063: 1057: 1055: 1046: 1040: 1036: 1032: 1028: 1021: 1019: 1010: 1004: 1000: 993: 991: 982: 976: 972: 965: 963: 954: 948: 944: 937: 935: 933: 928: 918: 915: 913: 910: 908: 905: 903: 900: 897: 894: 890: 887: 885: 882: 880: 876: 873: 872: 868: 862: 857: 849: 835: 832: 829: 818: 814: 812: 808: 804: 803:data dredging 800: 796: 792: 788: 785:In 2016, the 778: 776: 771: 769: 765: 764:Bayes factors 761: 757: 753: 748: 746: 745: 739: 727: 717: 712: 702: 700: 696: 692: 688: 684: 677: 667: 658: 648: 643: 641: 637: 633: 629: 625: 621: 617: 613: 612:manufacturing 609: 603: 599: 589: 586: 582: 578: 574: 570: 565: 563: 559: 555: 551: 547: 543: 539: 523: 514: 512: 508: 492: 472: 464: 460: 455: 441: 433: 428: 420: 414: 409: 404: 399: 395: 391: 387: 383: 373: 369: 365: 361: 356: 354: 350: 334: 314: 294: 280: 278: 273: 259: 239: 231: 227: 223: 219: 218: 213: 212:Ronald Fisher 208: 207:for details. 206: 204: 199: 195: 193: 188: 184: 178: 168: 166: 162: 158: 153: 151: 147: 143: 139: 135: 131: 126: 112: 109: 106: 98: 94: 81: 73:of a result, 72: 70: 53: 46:, denoted by 45: 41: 37: 33: 19: 5700: 5688: 5669: 5662: 5574:Econometrics 5524: / 5507:Chemometrics 5484:Epidemiology 5477: / 5450:Applications 5292:ARIMA model 5239:Q-statistic 5188:Stationarity 5084:Multivariate 5027: / 5023: / 5021:Multivariate 5019: / 4959: / 4955: / 4729:Bayes factor 4628:Signed rank 4540: 4514: 4506: 4494: 4189:Completeness 4025:Cohort study 3923:Opinion poll 3858:Missing data 3845:Study design 3800:Scatter plot 3722:Scatter plot 3715:Spearman's ρ 3677:Grouped data 3319: 3315: 3290: 3274: 3259: 3245: 3229: 3225: 3193: 3168:experimental 3161: 3154: 3127: 3121: 3111: 3076: 3072: 3062: 3050:. Retrieved 3045: 3035: 3002: 2998: 2992: 2975: 2965: 2948:10281/184094 2928: 2924: 2914: 2877: 2873: 2862: 2819: 2815: 2805: 2786: 2780: 2748: 2744: 2731: 2720:. Retrieved 2717:Science News 2716: 2706: 2679: 2675: 2665: 2650: 2639:. Retrieved 2634: 2628: 2621: 2594: 2588: 2569: 2563: 2533:(3): 241–9. 2530: 2526: 2480: 2476: 2426: 2422: 2412: 2387: 2383: 2377: 2340: 2336: 2326: 2291: 2287: 2277: 2258: 2252: 2227: 2197: 2191: 2172: 2166: 2147: 2141: 2116: 2108: 2089: 2083: 2064: 2058: 2017: 2011: 2002: 1991: 1956: 1952: 1941: 1908: 1904: 1898: 1874: 1843: 1837: 1813: 1806: 1787: 1781: 1772: 1766: 1748: 1734: 1711: 1705: 1687: 1681: 1663: 1657: 1638: 1632: 1619: 1600: 1594: 1551: 1547: 1537: 1527:November 10, 1525:. Retrieved 1518:the original 1513: 1478: 1472: 1449: 1437: 1418: 1412: 1393: 1387: 1364: 1354: 1335: 1329: 1310: 1276: 1268: 1235: 1231: 1225: 1198: 1194: 1184: 1175: 1169: 1150: 1144: 1099: 1095: 1085: 1074:. Retrieved 1070:the original 1065: 1026: 998: 970: 942: 820: 815: 810: 806: 798: 794: 790: 784: 772: 755: 751: 749: 742: 737: 734: 714: 686: 679: 664: 644: 639: 635: 627: 619: 605: 580: 576: 566: 549: 545: 542:type I error 515: 511:type I error 506: 462: 458: 456: 431: 424: 412: 367: 363: 357: 353:type I error 286: 276: 274: 229: 226:Egon Pearson 222:Jerzy Neyman 215: 209: 202: 191: 180: 160: 157:significance 156: 154: 149: 127: 96: 74: 68: 43: 35: 29: 5702:WikiProject 5617:Cartography 5579:Jurimetrics 5531:Reliability 5262:Time domain 5241:(Ljung–Box) 5163:Time-series 5041:Categorical 5025:Time-series 5017:Categorical 4952:(Bernoulli) 4787:Correlation 4767:Correlation 4563:Jarque–Bera 4535:Chi-squared 4297:M-estimator 4250:Asymptotics 4194:Sufficiency 3961:Interaction 3873:Replication 3853:Effect size 3810:Violin plot 3790:Radar chart 3770:Forest plot 3760:Correlogram 3710:Kendall's τ 3005:(1): 0224. 2931:(1): 6–10. 2880:(1): 0021. 2751:(1): 5–21. 2682:(7541): 9. 2429:(8): e124. 912:Sample size 893:independent 875:A/B testing 775:metascience 685:along with 683:effect size 676:Effect size 670:Effect size 661:Limitations 632:Higgs boson 134:observation 5569:Demography 5287:ARMA model 5092:Regression 4669:(Friedman) 4630:(Wilcoxon) 4568:Normality 4558:Lilliefors 4505:Student's 4381:Resampling 4255:Robustness 4243:divergence 4233:Efficiency 4171:(monotone) 4166:Likelihood 4083:Population 3916:Stratified 3868:Population 3687:Dependence 3643:Count data 3574:Percentile 3551:Dispersion 3484:Arithmetic 3419:Statistics 3046:csicop.org 2722:2016-12-01 2641:2016-12-01 2597:: 87–114. 2008:Neyman, J. 1741:C.C. Heyde 1076:2019-11-11 924:References 724:See also: 720:Challenges 699:its square 618:or sigma ( 142:population 130:experiment 4950:Logistic 4717:posterior 4643:Rank sum 4391:Jackknife 4386:Bootstrap 4204:Bootstrap 4139:Parameter 4088:Statistic 3883:Statistic 3795:Run chart 3780:Pie chart 3775:Histogram 3765:Fan chart 3740:Bar chart 3622:L-moments 3509:Geometric 3172:certainty 2836:0013-1644 2483:: e3544. 1933:119855116 1745:E. Seneta 1568:0032-5473 833:≤ 691:Cohen's d 524:α 493:α 473:α 442:α 335:α 295:α 260:α 240:α 210:In 1925, 113:α 110:≤ 54:α 5718:Category 5664:Category 5357:Survival 5234:Johansen 4957:Binomial 4912:Isotonic 4499:(normal) 4144:location 3951:Blocking 3906:Sampling 3785:Q–Q plot 3750:Box plot 3732:Graphics 3627:Skewness 3617:Kurtosis 3589:Variance 3519:Heronian 3514:Harmonic 3371:Archived 3346:30894741 3300:Archived 3285:(2014). 3250:Archived 3209:, 2009. 3198:Archived 3192:(2008), 3178:in many 3103:30894741 3027:46814177 3019:30980046 2957:30980045 2906:33954258 2854:30034024 2547:15316274 2509:28698825 2455:16060722 2404:16355113 2369:22792080 2318:21293453 2050:19584450 1983:19547734 1747:(eds.), 1586:11222834 1260:10961123 1252:24739678 1217:24344377 1136:24218581 879:ABX test 853:See also 766:. 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Index

Significance level
statistical hypothesis testing
null hypothesis
p-value
experiment
observation
sample
population
sampling error
clinical significance
History of statistics
John Arbuthnot
Pierre-Simon Laplace
p-value
human sex ratio
p-value § History
Ronald Fisher
Statistical Methods for Research Workers
Jerzy Neyman
Egon Pearson
false positive
type I error
confidence level
Statistical hypothesis testing
Null hypothesis
Alternative hypothesis
p-value
Type I and type II errors

two-tailed test

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