Cited by 492Meta-analysis and systematic reviewsPsychology Research and BibliometricsStatistical Methods in Epidemiology

Evaluating meta-analytic methods to detect selective reporting in the presence of dependent effect sizes.

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Rodgers, Melissa A., Pustejovsky, James E.·2021·Psychological Methods

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Abstract

Selective reporting of results based on their statistical significance threatens the validity of meta-analytic findings. A variety of techniques for detecting selective reporting, publication bias, or small-study effects are available and are routinely used in research syntheses. Most such techniques are univariate, in that they assume that each study contributes a single, independent effect size estimate to the meta-analysis. In practice, however, studies often contribute multiple, statistically dependent effect size estimates, such as for multiple measures of a common outcome construct. Many methods are available for meta-analyzing dependent effect sizes, but methods for investigating selective reporting while also handling effect size dependencies require further investigation. Using Monte Carlo simulations, we evaluate three available univariate tests for small-study effects or selective reporting, including the trim and fill test, Egger's regression test, and a likelihood ratio test from a three-parameter selection model (3PSM), when dependence is ignored or handled using ad hoc techniques. We also examine two variants of Egger's regression test that incorporate robust variance estimation (RVE) or multilevel meta-analysis (MLMA) to handle dependence. Simulation results demonstrate that ignoring dependence inflates Type I error rates for all univariate tests. Variants of Egger's regression maintain Type I error rates when dependent effect sizes are sampled or handled using RVE or MLMA. The 3PSM likelihood ratio test does not fully control Type I error rates. With the exception of the 3PSM, all methods have limited power to detect selection bias except under strong selection for statistically significant effects. (PsycInfo Database Record (c) 2023 APA, all rights reserved).

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  • Publication bias was assessed both visually, using funnel plots, and statistically, using a multilevel Egger-type regression test, in which the standard error of the effect size was included as a predictor in a mixed-effects model.

    “Publication bias was assessed both visually, using funnel plots, and statistically, using a multilevel Egger-type regression test, in which the standard error of the effect size was included as a predictor in a mixed-effects model (39).”

    From Carbohydrate ingestion during prolonged exercise and net skeletal muscle glycogen utilization: A meta-analysis. (2026) · cites this paper as [39]

    The opening summary (p. 1) says the paper evaluates an Egger regression variant using multilevel meta-analysis to detect selective reporting. The introduction (approximately p. 2) describes Egger’s test as a test of funnel-plot asymmetry. The retrieved passages do not establish visual inspection of funnel plots or specify that the effect-size standard error is entered as a predictor in a mixed-effects model. (LLM, conf=0.82)

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Authors
Rodgers, M. A., & Pustejovsky, J. E.
Affiliations
The University of Texas at Austin (US)
Venue
Psychological Methods
Published
2021-04
Volume
26
Issue
2
Pages
141-160
ISSN
  • 1082-989X (ISSN-L)
  • 1939-1463
OpenAlex
W3043790905
Cited by
492
References
0
Citations by year
2026: 111 · 2025: 111 · 2024: 95 · 2023: 72 · 2022: 61 · 2021: 34 · 2020: 8
FWCI
26.68
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Psychological Methods (publishedVersion)
  • PubMed (publishedVersion)
  • MetArXiv (OSF Preprints) (submittedVersion)
  • MetArXiv (OSF Preprints) (submittedVersion, cc-by)
Topics
  • Social Sciences › Decision Sciences › Statistics, Probability and Uncertainty › Meta-analysis and systematic reviews
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Psychology Research and Bibliometrics
  • Physical Sciences › Mathematics › Statistics and Probability › Statistical Methods in Epidemiology
Keywords
selective reporting, publication bias, small-study effects, dependent effect sizes, robust variance estimation, multilevel meta-analysis, type I error rate

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