This post is a response to the previous post A Breakdown of “Preregistration is Redundant, at Best”. We were delighted to see how interested people were in the short paper we wrote on preregistration with our co-authors (now published at Trends in Cognitive Science – the revised version of which has been uploaded). First, a note on the original title.…
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This post summarizes Wagenmakers, E.-J., Gronau, Q. F., Dablander, F., & Etz, A. (in press). The support interval. Erkenntnis. Preprint available on PsyArXiv: https://psyarxiv.com/zwnxb/ Abstract A frequentist confidence interval can be constructed by inverting a hypothesis test, such that the interval contains only parameter values that would not have been rejected by the test. We show how a similar definition…
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This post is a teaser for van den Bergh, D., Haaf, J. M., Ly, A., Rouder, J. N., & Wagenmakers, E.-J. (2019). A cautionary note on estimating effect size. Preprint available on PsyArXiv: https://psyarxiv.com/h6pr8/ Abstract “An increasingly popular approach to statistical inference is to focus on the estimation of effect size while ignoring the null hypothesis that the effect…
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This post is an extended synopsis of Hoogeveen, S., Wagenmakers, E.-J., Kay, A. C., & van Elk, M. (in press). Compensatory Control and Religious Beliefs: A Registered Replication Report Across Two Countries. Comprehensive Results in Social Psychology. https://doi.org/10.1080/23743603.2019.1684821 Abstract Compensatory Control Theory (CCT) suggests that religious belief systems provide an external source of control that can substitute a perceived…
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This post is a synopsis of Aczel et al. (2019). A consensus-based transparency checklist. Nature Human Behaviour. Open Access: https://www.nature.com/articles/s41562-019-0772-6. The associated Shiny app is at http://www.shinyapps.org/apps/TransparencyChecklist/. How can social scientists make their work more transparent? Sixty-three editors and open science advocates reached consensus on this topic and created a checklist to help authors document various transparency-related aspects of…
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This post is a synopsis of Mulder, J., Gu, X., Olsson-Collentine, A., Tomarken, A., Böing-Messing, F., Hoijtink, H., Meijerink, M., Williams, D. R., Menke, J., Fox, J.-P., Rosseel, Y., Wagenmakers, E.-J., & van Lissa, C. (2019). BFpack: Flexible Bayes factor testing of scientific theories in R. Preprint available at https://arxiv.org/pdf/1911.07728.pdf Abstract “There has been a tremendous methodological development of Bayes…
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This post is a synopsis of the Bayesian work featured in Landy et al. (in press). Crowdsourcing hypothesis tests: Making transparent how design choices shape research results. Psychological Bulletin. Preprint available at https://osf.io/fgepx/; the 325-page supplement is available at https://osf.io/jm9zh/; the Bayesian analyses can be found on pp. 238-295. Abstract “To what extent are research results influenced by subjective decisions…
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This post is an extended synopsis of Stefan, A. M., Evans, N. J., & Wagenmakers, E.-J. (2019). Practical challenges and methodological flexibility in prior elicitation. Manuscript submitted for publication. Preprint available on PsyArXiv: https://psyarxiv.com/d42xb/ Abstract It is a well-known fact that Bayesian analyses require the specification of a prior distribution, and that different priors can lead to…
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