Statistical methods in psychology journals: Guidelines and explanations.
Abstract
In the light of continuing debate over the applications of significance testing in psychology journals and following the publication of Cohen (1994), the Board of Scientific Affairs (BSA) of the APA convened a committee called the Task Force on Statistical Inference (TFSI) whose charge was “to elucidate some of the controversial issues surrounding applications
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Replication is the most objective method for checking if the result of a study is reliable and plays an essential role in the advance of scientific knowledge.
“Several authors have pointed out that replication is the most objective method for checking if the result of a study is reliable and this concept plays an essential role in the advance of scientific knowledge (Carver, 1978; Wilkinson and The Task Force on Statistical, Inference, 1999; Nickerson, 2000; Hubbard, 2004; Cumming, 2008; Hubbard and Lindsay, 2008; Asendorpt et al., 2013; Kline, 2013; St”
From Misconceptions of the p-value among Chilean and Italian Academic Psychologists (2016) · cites this paper as Wilkinson and The Task Force on Statistical, Inference, 1999
Reporting the effect size and its confidence intervals (CIs) could help avoid these erroneous interpretations.
“Reporting the effect size and its confidence intervals (CIs) could help avoid these erroneous interpretations (Kirk, 1996; Wilkinson and The Task Force on Statistical, Inference, 1999; Gliner et al., 2001; Balluerka et al., 2009; Fidler and Loftus, 2009; American Psychological Association, 2010; Coulson et al., 2010; Monterde-i-Bort et al., 2010; Hoekstra et al., 2012).”
From Misconceptions of the p-value among Chilean and Italian Academic Psychologists (2016) · cites this paper as Wilkinson and The Task Force on Statistical Inference (1999)
Planned contrasts are recommended as a means to test the hypotheses in intervention studies.
“Furthermore, we calculated planned contrasts, which are recommended as a means to test the hypotheses in intervention studies (Wilkinson & the Task Force on Statistical Inference 1999).”
From Transfer of metacognitive skills in self-regulated learning: an experimental training study (2020) · cites this paper as Wilkinson & the Task Force on Statistical Inference 1999
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- Authors
- Wilkinson, L., & Task Force on Statistical Inference
- Corresponding author
- Wilkinson, Leland
- Venue
- American Psychologist
- Published
- 1999-08
- Volume
- 54
- Issue
- 8
- Pages
- 594-604
- ISSN
- 0003-066X (ISSN-L)
- 1935-990X
- OpenAlex
- W2104818169
- Cited by
- 2,791
- References
- 52
- Citations by year
- 2026: 39 · 2025: 53 · 2024: 57 · 2023: 78 · 2022: 93 · 2021: 145 · 2020: 112 · 2019: 109 · 2018: 121 · 2017: 126 · 2016: 119 · 2015: 126 · 2014: 141 · 2013: 133 · 2012: 128
- FWCI
- 125.62
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- American Psychologist (publishedVersion)
- Topics
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Psychology Research and Bibliometrics
- Social Sciences › Decision Sciences › Statistics, Probability and Uncertainty › Meta-analysis and systematic reviews
- Physical Sciences › Mathematics › Statistics and Probability › Statistical Methods and Bayesian Inference
- Keywords
- statistical inference, significance testing, statistical reporting guidelines, reporting guidelines
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
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