Van Assen, M. A. L. M., Van den Akker, O., Augusteijn, H. E. M., Bakker, M., Nuijten, M. B., Olsson-Collentine, A., … van Aert, R. C. M. (in press). The meta-plot: A graphical tool for interpreting the results of a meta-analysis. Zeitschrift für Psychologie, 231 (1), 65-78. DOI

Hardwicke, T. E., Bohn, M., MacDonald, K., Hembacher, E., Nuijten, M. B., Peloquin, B. N., . . . Frank, M. C. (2021). Analytic reproducibility in articles receiving open data badges at the journal Psychological Science: an observational study. Royal Society Open Science, 8, 201494. DOI

Balazs Aczel, […] Jelte M. Wicherts, […] Simine Vazire & Eric-Jan Wagenmakers. A consensus-based transparency checklist. Nat Hum Behav 4, 4–6 (2020) DOI

Olsson-Collentine, A., Wicherts, J. M., & van Assen, M. A. (2020). Heterogeneity in direct replications in psychology and its association with effect size. Psychological Bulletin, 146(10), 922.

Van Den Akker, O. R., van Assen, M. A., Van Vugt, M., & Wicherts, J. M. (2020). Sex differences in trust and trustworthiness: A meta-analysis of the trust game and the gift-exchange game. Journal of Economic Psychology, 102329.

Bakker, M., Veldkamp, C. L., van den Akker, O. R., van Assen, M. A., Crompvoets, E., Ong, H. H., & Wicherts, J. M. (2020). Recommendations in pre-registrations and internal review board proposals promote formal power analyses but do not increase sample size. Plos one, 15(7), e0236079.

Nuijten, M. B., Van Assen, M. A. L. M., Augusteijn, H. E. M., Crompvoets, E. A. V., & Wicherts, J. M. (2020). Effect sizes, power, and biases in intelligence research: a meta-meta-analysis. Journal of Intelligence, 8(4), 36. DOI OSF

Nuijten, M. B., & Polanin, J. R. (2020). “statcheck”: Automatically detect statistical reporting inconsistencies to increase reproducibility of meta-analyses. Research Synthesis Methods, 11, 574-579. DOI

Maassen, E., Van Assen, M. A. L. M., Nuijten, M. B., Olsson-Collentine, A., & Wicherts, J. M. (2020). Reproducibility of individual effect sizes in meta-analyses in psychology. PLoS ONE, 15(5), e0233107. DOI

Maassen, E., & Wicherts, J. M. (2019) Distinguishing Specific from General Effects in Cognition Research. Journal of Applied Research in Memory and Cognition. DOI

Paul Lodder, Johan Denollet, Wilco H. M. Emons, Giesje Nefs, Frans Pouwer, Jane Speight & Jelte M. Wicherts (2019) Modeling Interactions Between Latent Variables in Research on Type D Personality: A Monte Carlo Simulation and Clinical Study of Depression and Anxiety, Multivariate Behavioral Research, 54:5, 637-665, DOI

Grudniewicz A, Moher D, Cobey KD, Bryson GL, Cukier S, Allen K, Ardern C, Balcom L, Barros T, Berger M, Ciro JB, Cugusi L, Donaldson MR, Egger M, Graham ID, Hodgkinson M, Khan KM, Mabizela M, Manca A, Milzow K, Mouton J, Muchenje M, Olijhoek T, Ommaya A, Patwardhan B, Poff D, Proulx L, Rodger M, Severin A, Strinzel M, Sylos-Labini M, Tamblyn R, van Niekerk M, Wicherts JM, Lalu MM. (2019) Predatory journals: no definition, no defence. Nature. 2019 Dec;576(7786):210-212. DOI

van Aert RCM, Wicherts JM, van Assen MALM (2019) Publication bias examined in meta-analyses from psychology and medicine: A meta-meta-analysis. PLOS ONE 14(4): e0215052. DOI

Stoevenbelt, A. H., Nuijten, M. B., Pauli, B. E., & Wicherts, J. M. (2019). Rule out conflicts of interest in psychology awards. Nature, 572, 312-312. DOI

Stoevenbelt, A. H. (2019). Reward PhDs’ high-quality, slow science. Nature human behaviour, 3(10), 1033-1033. DOI: https://doi.org/10.1038/s41562-019-0694-3

Augusteijn, H. E. M., van Aert, R. C. M., & van Assen, M. A. L. M. (2019). The effect of publication bias on the Q test and assessment of heterogeneity. Psychological Methods, 24(1), 116-134. URL OSF

Paul Lodder, How Hwee Ong, Raoul P. P. P. Grasman, & Jelte M. Wicherts (2019). A Comprehensive Meta-analysis of Money Priming, Journal of Experimental Psychology. URL

Paulette C. Flore, Joris Mulder & Jelte M. Wicherts (2019). The influence of gender stereotype threat on mathematics test scores of Dutch high school students: a registered report, Comprehensive Results in Social Psychology. URL

Bakker, M., Veldkamp, C. L. S., Van Assen, M. A., Crompvoets, E. A. V., Ong, H. H., Nosek, B. A., ... & Wicherts, J. (2018). Ensuring the quality and specificity of preregistrations.

Nuijten, M. B. (2018). Practical tools and strategies for researchers to increase replicability. Developmental Medicine & Child Neurology. URL

Nuijten, M. B., Bakker, M., Maassen, E., & Wicherts, J. M. (2018). Verify original results through reanalysis before replicating: a commentary on “Making Replication Mainstream” by Rolf A. Zwaan, Alexander Etz, Richard E. Lucas, & M. Brent Donnellan. Behavioral and Brain Sciences, 41, e143. DOI URL

Van Aert, R. C. M., & Jackson, D. (2018). Multistep estimators of the between‐study variance: The relationship with the Paule‐Mandel estimator. Statistics in Medicine. URL OSF

Van Aert, R. C. M. (2018). Meta-analysis: Shortcomings and potential (Doctoral dissertation). URL

Nuijten, M. B. (2018). Research on research: a meta-scientific study of problems and solutions in psychological science. (Doctoral dissertation). URL

Colombo, M., Duev, G., Nuijten, M. B., & Sprenger, J. (2018). Statistical reporting inconsistencies in experimental philosophy. PLoS One, 13(4), e0194360. URL

Flore, P. C. (2018). Stereotype threat and differential item functioning: A critical assessment (Doctoral dissertation). URL

Hartgerink, C. H. J., & Van Zelst, J. M. (2018). “As-You-Go” Instead of “After-the-Fact”: A Network Approach to Scholarly Communication and Evaluation. Publications, 6(2), 21. URL

Lakens, D.,  Adolfi, F. G.,  Albers, C. J., ... Van Assen, M. A. L. M., & Zwaan, R. A. (2018). Justify your alpha. Nature Human Behaviour, 2(3), 168-171. URL OSF

Hartgerink, C. H. J., & Murray-Rust, P. (2018). Extracting data from vector figures in scholarly articles. URL

Nuijten, M. B. (2017). Share analysis plans and results. Nature, 551(7682), 557-559. URL PDF

Hartgerink, C. H. J., Kemper, E. M., Hollmann, M. W.,  & Ter Riet, G. (2017). Analyzing decrease trials to estimate evidence of data manipulation. F1000Research, 6(1995). URL

Gronau, Q. F., Duizer, M., Bakker, M., & Wagenmakers, E. J. (2017). Bayesian mixture modeling of significant p values: A meta-analytic method to estimate the degree of contamination from H₀. Journal of Experimental Psychology: General, 146(9), 1223-1233. URL

Lakens, D., Van Assen, M. A. L. M., Augusteijn, H. E. M., ... Scheel, A. M. (2017). Examining the reproducibility of meta-analyses in psychology: A preliminary report. URL OSF

Pollet, T. V., Stoevenbelt, A. H., & Kuppens, T. (2017). The potential pitfalls of studying adult sex ratios at aggregate levels in humans. Philosophical Transactions of the Royal Society B: Biological Sciences, 372(1729), 20160317. DOI:https://doi.org/10.1098/rstb.2016.0317

Olsson-Collentine, A., Van Assen, M. A. L. M., & Hartgerink, C. H. J. (2017). The prevalence of marginal significance in psychology over time. URL OSF

Van Aert, R. C. M., & Van Assen, M. A. L. M. (2017). Examining reproducibility in psychology: A hybrid method for combining a statistically significant original study and a replication. Behavior research methods, 1-25. URL OSF

Bøing-Messing, F., Van Assen, M. A. L. M., Hofman, A. D., Hoijtink, H., & Mulder, J. (2017). Bayesian evaluation of constrained hypotheses on variances of multiple independent groups. Psychological methods, 22(2), 262-287. URL

Van Aert, R. C. M. (2017). Publication bias in meta-analyses from psychology and medicine: A meta-meta-analysis. URL OSF

Nuijten, M. B., Van Assen, M. A. L. M., Hartgerink, C. H. J., Epskamp, S., & Wicherts, J. M. (2017). The validity of the tool ‘statcheck’ in discovering statistical reporting inconsistencies URL OSF

Wicherts, J. M., & Crompvoets, E. A. V. (2017). The poor availability of syntaxes of structural equation modeling. Accountability in research, 24(8), 458-468. URL OSF

Wicherts, J. M. (2017). The weak spots in contemporary science (and how to fix them). Animals, 7(12), 90. URL

Nuijten, M. B., Van Assen, M. A. L. M., Hartgerink, C. H. J., Epskamp, S., & Wicherts, J. M. (2017). The validity of the tool ‘statcheck’ in discovering statistical reporting inconsistencies. URL OSF

Nuijten, M. B., Borghuis, J., Veldkamp, C. L. S., Dominguez-Alvarez, L., Van Assen, M. A. L. M., & Wicherts, J. M. (2017). Journal data sharing policies and statistical reporting inconsistencies in psychology. Collabra: Psychology, 3(1), 31. URL OSF

Wicherts, J. M. (2017). Psychometric problems with the method of correlated vectors applied to item scores (including some nonsensical results). Intelligence, 60, 26-38. URL

Agnoli, F., Wicherts, J. M., Veldkamp, C. L. S., Albiero, P., & Cubelli R. (2017). Questionable research practices among italian research psychologists PLoS One, 12(3), e0172792. URL

Van Aert, & van Assen, M. A. L. M. (2017) Bayesian evaluation of effect size after replicating an original study? PLoS One,  12(4), e0175302. URL OSF

Hartgerink, C. H. J., Wicherts J. M., & Van Assen, M. A. L. M. (2017). Too good to be false: Nonsignificant results revisited. Collabra: Psychology, 3(1), 9. URL OSF

Nuijten, M. B. (2016) Preventing statistical errors in scientific journals. European Science Editing, 42(1), 8-10. URL

Hartgerink, C. H. J. (2016). Reanalyzing Head et al. (2015): No widespread p-hacking after all? PeerJ Preprints 4, e2439v1. URL OSF

Hartgerink, C. H. J. (2016). 688,112 statistical results: Content mining psychology articles for statistical test results. Data, 1(3), 14. URL

Gobbens, R. J., & Van Assen, M. A. L. M. (2016). Psychometric properties of the dutch WHOQOL-OLD. Health and quality of life outcomes, 14(1), 103. URL

Wicherts, J. M. (2016). Data re-analysis and open data. In J. Plucker & M. Makel (Eds.), Doing Good Social Science: Trust, Accuracy, Transparency. Washington: American Psychological Association. URL

Hartgerink, C. H. J., & Wicherts, J. M. (2016). Research practices and assessment of research misconduct. ScienceOpen Research. URL

Tijdink, J. K., Bouter, L. M., Veldkamp, C. L. S., Van de Ven, P. M., Wicherts, J. M., & Smulders, Y. M. (2016). Personality traits are associated with research misbehavior in dutch scientists: A cross-sectional study. PloS One, 11(9), e0163251. URL

Wicherts, J. M. (2016). The importance of measurement invariance in neurocognitive ability testing. The Clinical Neuropsychologist, 30(7), 1006–1016. URL

Veldkamp, C. L. S., Hartgerink, C. H. J., Van Assen, M. A. L. M., & Wicherts, J. M. (2016). Who believes in the storybook image of the scientist? Perspectives on Psychological Science, 24(3), 127-152. URL OSF

Van Aert, R. C. M., Wicherts, J. M., & Van Assen, M. A. L. M. (2016). Conducting meta-analyses based on p values: Reservations and recommendations for applying p-uniform and p-curve. Perspectives on Psychological Science, 11(5), 713-729. URL

Wicherts, J. M., Veldkamp, C. L. S., Augusteijn, H. E. M., Bakker, M., Van Aert, R. C. M., & Van Assen, M. A. L. M. (2016). Degrees of freedom in planning, running, analyzing, and reporting psychological studies: A checklist to avoid p-hacking. Frontiers in Psychology. URL

Bakker, M., Hartgerink, C. H. J., Wicherts, J . M., & Van der Maas, H. L. J.. (2016). Researchers’ intuitions about power in psychological research. Psychological science, 27(8), 1069-1077. URL

Anderson, C. J., Bahník, S. Barnett-Cowan, M., ..., Van Assen, M. A. L. M., & Zuni, K. (2016). Response to comment on "Estimating the reproducibility of psychological science". Science, 351(6277), 1037. URL

Braeken, J., & Van Assen, M. A. L. M. (2017). An empirical Kaiser criterion. Psychological Methods, 22(3), 450-466. URL

Gračanin, A., Van Assen, M. A. L. M., Omrčen, V., Koraj, I., & Vingerhoets, A. J. J. M. (2016). Chemosignalling effects of human tears revisited: Does exposure to female tears decrease males’ perception of female sexual attractiveness? Cognition and Emotion, 31(1), 139-150. URL

Hartgerink, C. H. J., Van Aert, R. C. M., Nuijten, M. B., Wicherts, J. M., & Van Assen, M. A. L. M. (2016). Distributions of p-values smaller than .05 in psychology: What is going on? PeerJ, 4, e1935. URL OSF

Hartgerink, C. H. J., Wicherts, J. M., & Van Assen, M. A. L. M. (2016). The value of statistical tools to detect data fabrication. Research Ideas and Outcomes, 2(4), e8860. URL

Tennant, J. P., Waldner, F., Jacques, D. C., Masuzzo, P., Collister, L. B., & Hartgerink, C. H. J. (2016). The academic, economic and societal impacts of open access: An evidence-based review. F1000Research, 5, 632. URL

Wicherts, J. M. (2016). Peer review quality and transparency of the Peer-Review process in open access and subscription journals. PloS One, 11(1), e0147913. URL

Flore, P. C., & Wicherts, J. M. (2015). Does stereotype threat influence performance of girls in stereotyped domains? A meta-analysis. Journal of School Psychology, 53(1), 25-44. URL OSF

Hartgerink, C. H. J., van Beest, I., Wicherts, J. M., & Williams, K. D. (2015). The ordinal effects of ostracism: A meta-analysis of 120 cyberball studies. PloS One, 10(5), e0127002. URL OSF

Hartgerink, C. H. J. (2015). Research misconduct: Speed translation of misconduct reports. Nature, 522(7557), 419. URL

Hartgerink, C. H. J., & George, S. (2015). Problematic trial detection in clinicaltrials.gov. Research Ideas and Outcomes, 1,  e7462. URL

Hartgerink, C. H. J. (2015). Do not trust science — verify it. The Winnower, 5, e144232.26366. URL

Nieuwenstein, M. R., Wierenga, T., Morey, R. D., Wicherts, J. M., Blom, T. N., Wagenmakers, E-J., Van Rijn, H. (2015). On making the right choice: A meta-analysis and large-scale replication attempt of the unconscious thought advantage. Judgment and decision making, 10(1), 1-17. URL

Nuijten, M. B., Van Assen, M. A. L. M., Veldkamp, C. L. S., & Wicherts, J. M. (2015). The replication paradox: Combining studies can decrease accuracy of effect size estimates. Review of General Psychology, 19(2), 172-182. URL OSF

Nuijten, M. B., Hartgerink, C. H. J., Van Assen, M. A. L. M., Epskamp, S., & Wicherts, J. M. (2015). The prevalence of statistical reporting errors in psychology (1985-2013). Behavior research methods, 48, 1205-1226. URL OSF

Open Science Collaboration (2015). Estimating the reproducibility of psychological science. Science, 349(6251). URL OSF

Pietschnig, J., Penke, L., Wicherts, J. M., Zeiler, M., & Voracek, M. (2015). Meta-analysis of associations between human brain volume and intelligence differences: How strong are they and what do they mean? Neuroscience and Biobehavioral Reviews, 57, 411-432. URL

Rabelo, A. L. A., Keller, V. N., Pilati, R., & Wicherts, J. M. (2015). No Effect of Weight on Judgments of Importance in the Moral Domain and Evidence of Publication Bias from a Meta-Analysis. PLoS One, 10(8), e0134808. URL

Sijtsma, K., Veldkamp, C. L. S., & Wicherts, J. M. (2015). Improving the conduct and reporting of statistical analysis in psychology. Psychometrika, 81(1), 33-38. URL

Van Assen, M. A. L. M., Van Aert, R. C. M., & Wicherts, J. M. (2015). Meta-analysis using effect size distributions of only statistically significant studies. Psychological Methods, 20(3), 293-309. URL

Bakker, M., & Wicherts, J. M. (2014). Outlier removal, sum scores, and the inflation of the type I error rate in independent samples t tests: The power of alternatives and recommendations. Psychological Methods, 19(3), 409-427. URL OSF

Bakker, M. (2014). Good science, bad science: Questioning research practices in psychological research (Doctoral dissertation). URL

Bakker, M., & Wicherts, J. M. (2014). Outlier removal and the relation with reporting errors and quality of psychological research. PLoS One, 9(7), e103360. URL

Wicherts, J. M., & Bakker M. (2014). Broken windows, mediocre methods, and substandard statistics. Group processes; intergroup relations: GPIR, 17(3), 388-403. URL OSF

De Groot, A. D. (2014). The meaning of “significance” for different types of research [translated and annotated by Eric-Jan Wagenmakers, Denny Borsboom, Josine Verhagen, Rogier Kievit, Marjan Bakker, Angelique Cramer, Dora Matzke, Don Mellenbergh, and Han L. J. van der Maas] Acta psychologica, 148, pp. 188-194. URL

Veldkamp, C. L. S., Nuijten, M. B., Dominguez-Alvarez, L., Van Assen, M. A. L. M., & Wicherts, J. M. (2014). Statistical reporting errors and collaboration on statistical analyses in psychological science. PLoS One, 9(12), e114876. URL OSF

Nuijten, M. B., Van Assen, M. A. L. M., Van Aert, R. C. M., & Wicherts, J. M. (2014). Standard analyses fail to show that US studies overestimate effect sizes in softer research. PNAS, 111(7), E712-E713. URL

Van Assen, M. A. L. M., Van Aert, R. C. M., Nuijten, M. B., & Wicherts, J. M. (2014). Why publishing everything is more effective than selective publishing of statistically significant results. PLoS One, 9(1), e84896. URL

Bakker, M., Van Dijk, A., & Wicherts, J. M. (2012). The rules of the game called psychological science. Perspectives on Psychological Science, 7(6), 543–554. URL

Wicherts, J. M., & Van Assen, M. A. L. M. (2012). Research fraud: Speed up reviews of misconduct. Nature, 488(7413), 591. URL

Wicherts, J. M., & Bakker, M. (2012). Publish (your data) or (let the data) perish! Why not publish your data too? Intelligence, 40(2), 73-76. URL

Wicherts, J. M., Kievit, R. A., Bakker, M., & Borsboom, D. (2012). Letting the daylight in: Reviewing the reviewers and other ways to maximize transparency in science. Frontiers in Computational Neuroscience, 6(20). URL

Bakker, M., & Wicherts, J. M. (2011). The (mis)reporting of statistical results in psychology journals. Behavior research methods, 43(3), 666–678. URL OSF

Wicherts, J. M. (2011). Psychology must learn a lesson from fraud case. Nature, 480(7375), 7. URL

Wicherts, J. M., Bakker, M., & Molenaar, D. (2011). Willingness to share research data is related to the strength of the evidence and the quality of reporting of statistical results. PLoS ONE, 6(11) e26828. URL

Wicherts, J. M., & Bakker, M. (2009). Sharing: Guidelines go one step forwards, two steps back. Nature, 461(7267), 1053. URL