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Many Labs 5: Testing Pre-Data-Collection Peer Review as an Intervention to Increase Replicability

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Ebersole, Charles R., Mathur, Maya B., Baranski, Erica, Bart-Plange, Diane-Jo, Buttrick, Nicholas R., Chartier, Christopher R., Corker, Katherine S., Corley, Martin +164 more·2020·Advances in Methods and Practices in Psychological Science

Published version of a preprint

Abstract

Replication studies in psychological science sometimes fail to reproduce prior findings. If these studies use methods that are unfaithful to the original study or ineffective in eliciting the phenomenon of interest, then a failure to replicate may be a failure of the protocol rather than a challenge to the original finding. Formal pre-data-collection peer review by experts may address shortcomings and increase replicability rates. We selected 10 replication studies from the Reproducibility Project: Psychology (RP:P; Open Science Collaboration, 2015) for which the original authors had expressed concerns about the replication designs before data collection; only one of these studies had yielded a statistically significant effect ( p < .05). Commenters suggested that lack of adherence to expert review and low-powered tests were the reasons that most of these RP:P studies failed to replicate the original effects. We revised the replication protocols and received formal peer review prior to conducting new replication studies. We administered the RP:P and revised protocols in multiple laboratories (median number of laboratories per original study = 6.5, range = 3–9; median total sample = 1,279.5, range = 276–3,512) for high-powered tests of each original finding with both protocols. Overall, following the preregistered analysis plan, we found that the revised protocols produced effect sizes similar to those of the RP:P protocols (Δ r = .002 or .014, depending on analytic approach). The median effect size for the revised protocols ( r = .05) was similar to that of the RP:P protocols ( r = .04) and the original RP:P replications ( r = .11), and smaller than that of the original studies ( r = .37). Analysis of the cumulative evidence across the original studies and the corresponding three replication attempts provided very precise estimates of the 10 tested effects and indicated that their effect sizes (median r = .07, range = .00–.15) were 78% smaller, on average, than the original effect sizes (median r = .37, range = .19–.50).

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  • Ebersole et al. found that replicability of original findings did not improve with revised vs original replication protocols.

    “they found that the replicability of original findings did not improve with the revised vs. original replication protocols”

    From Investigating the replicability of preclinical cancer biology (2021) · cites this paper as Ebersole et al., 2020

  • Heterogeneity is not uncommon, even if it is relatively small, in multisite replications in which heterogeneity can be directly estimated.

    “Such heterogeneity is not uncommon, even if it is relatively small, in multisite replications in which heterogeneity can be directly estimated (Ebersole et al., 2020; Klein et al., 2018)”

    From Investigating the replicability of preclinical cancer biology (2021) · cites this paper as Ebersole et al., 2020

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  1. Center for Open Science. (n.d.). Registered Reports: Peer review before results are known to align scientific values and practices . Retrieved from http://cos.io/rr/

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Authors
Ebersole, C. R., Mathur, M. B., Baranski, E., Bart-Plange, D.-J., Buttrick, N. R., Chartier, C. R., Corker, K. S., Corley, M., Hartshorne, J. K., IJzerman, H., Lazarević, L. B., Rabagliati, H., Ropovik, I., Aczel, B., Aeschbach, L. F., Andrighetto, L., Arnal, J. D., Arrow, H., Babincak, P., Bakos, B. E., Baník, G., Baskin, E., Belopavlović, R., Bernstein, M. H., Białek, M., Bloxsom, N. G., Bodroža, B., Bonfiglio, D. B. V., Boucher, L., Brühlmann, F., Brumbaugh, C. C., Casini, E., Chen, Y., Chiorri, C., Chopik, W. J., Christ, O., Ciunci, A. M., Claypool, H. M., Coary, S., Čolić, M. V., Collins, W. M., Curran, P. G., Day, C. R., Dering, B., Dreber, A., Edlund, J. E., Falcão, F., Fedor, A., Feinberg, L., Ferguson, I. R., Ford, M., Frank, M. C., Fryberger, E., Garinther, A., Gawryluk, K., Ashbaugh, K., Giacomantonio, M., Giessner, S. R., Grahe, J. E., Guadagno, R. E., Hałasa, E., Hancock, P. J. B., Hilliard, R. A., Hüffmeier, J., Hughes, S., Idzikowska, K., Inzlicht, M., Jern, A., Jiménez-Leal, W., Johannesson, M., Joy-Gaba, J. A., Kauff, M., Kellier, D. J., Kessinger, G., Kidwell, M. C., Kimbrough, A. M., King, J. P. J., Kolb, V. S., Kołodziej, S., Kovacs, M., Krasuska, K., Kraus, S., Krueger, L. E., Kuchno, K., Lage, C. A., Langford, E. V., Levitan, C. A., de Lima, T. J. S., Lin, H., Lins, S., Loy, J. E., Manfredi, D., Markiewicz, Ł., Menon, M., Mercier, B., Metzger, M., Meyet, V., Millen, A. E., Miller, J. K., Montealegre, A., Moore, D. A., Muda, R., Nave, G., Nichols, A. L., Novak, S. A., Nunnally, C., Orlić, A., Palinkas, A., Panno, A., Parks, K. P., Pedović, I., Pękala, E., Penner, M. R., Pessers, S., Petrović, B., Pfeiffer, T., Pieńkosz, D., Preti, E., Purić, D., Ramos, T., Ravid, J., Razza, T. S., Rentzsch, K., Richetin, J., Rife, S. C., Rosa, A. D., Rudy, K. H., Salamon, J., Saunders, B., Sawicki, P., Schmidt, K., Schuepfer, K., Schultze, T., Schulz-Hardt, S., Schütz, A., Shabazian, A. N., Shubella, R. L., Siegel, A., Silva, R., Sioma, B., Skorb, L., de Souza, L. E. C., Steegen, S., Stein, L. A. R., Sternglanz, R. W., Stojilović, D., Storage, D., Sullivan, G. B., Szaszi, B., Szecsi, P., Szöke, O., Szuts, A., Thomae, M., Tidwell, N. D., Tocco, C., Torka, A.-K., Tuerlinckx, F., Vanpaemel, W., Vaughn, L. A., Vianello, M., Viganola, D., Vlachou, M., Walker, R. J., Weissgerber, S. C., Wichman, A. L., Wiggins, B. J., Wolf, D., Wood, M. J., Zealley, D., Žeželj, I., Zrubka, M., & Nosek, B. A.
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Corresponding author
Ebersole, Charles R.
ORCID
Venue
Advances in Methods and Practices in Psychological Science
Published
2020-09
Volume
3
Issue
3
Pages
309-331
ISSN
  • 2515-2459 (ISSN-L)
  • 2515-2467
OpenAlex
W2936257342
Cited by
105
References
62
Citations by year
2026: 7 · 2025: 14 · 2024: 14 · 2023: 19 · 2022: 30 · 2021: 13 · 2020: 7 · 2019: 1
FWCI
10.52
Type
journal article
Language
en
Open access
Locations
  • Advances in Methods and Practices in Psychological Science (publishedVersion)
  • EUR Research Repository (Erasmus University Rotterdam) (acceptedVersion, other-oa)
  • OSF Preprints (OSF Preprints) (acceptedVersion)
  • Journal of Media Literacy Education (submittedVersion, cc-by)
  • NSUWorks (Nova Southeastern University) (submittedVersion)
  • Rose-Hulman Scholar (Rose–Hulman Institute of Technology) (submittedVersion)
  • EUR Research Repository (Erasmus University Rotterdam) (submittedVersion)
  • HAL (submittedVersion)
  • Ghent University Academic Bibliography (Ghent University) (submittedVersion)
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  • PsyArXiv (OSF Preprints) (submittedVersion)
  • Padua Research Archive (University of Padova) (submittedVersion, other-oa)
Funders
  • Laura and John Arnold Foundation
  • Association for Psychological Science
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
  • Social Sciences › Decision Sciences › Information Systems and Management › Academic Publishing and Open Access
Keywords
replication study, replicability, Reproducibility Project: Psychology, replication failure, preregistration, effect size estimation, cumulative evidence

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