Flexible Yet Fair: Blinding Analyses in Experimental Psychology

This post is an extended synopsis of Dutilh, G., Sarafoglou, A., & Wagenmakers, E.-J. (in press). Flexible yet fair: Blinding analyses in experimental psychology. Synthese. Preprint available on PsyArXiv: https://psyarxiv.com/h39jt   Abstract The replicability of findings in experimental psychology can be improved by distinguishing sharply between hypothesis-generating research and hypothesis-testing research. This distinction can be achieved by preregistration, a method…

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The Liberating Feeling of Relinquishing Control: Advice for Advisors

Disclaimer: advice based purely on the life and lab of the author. May not generalize to other people and other contexts. No literature whatsoever was consulted. Take advice at your own risk. For most of my life I have had the idea that the key to happiness is control, or at least the illusion of control. What person would delight…

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Preprint: “Because it is the Right Thing to Do”: Taking Stock of the Peer Reviewers’ Openness Initiative

This post is an extended synopsis of Dahrendorf, M., Hoffmann, T., Mittenbühler, M., Wiechert, S., Sarafoglou, A., Matzke, D., & Wagenmakers, E.-J. (2019). “Because it is the Right Thing to Do”: Taking Stock of the Peer Reviewers’ Openness Initiative. Preprint available on PsyArXiv: https://psyarxiv.com/h39jt   Abstract In recent years, multiple initiatives have sought to improve the transparency and reproducibility of…

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The Invigorating Pleasure of Witnessing a Well-Contested Rat-Fight

Throughout his books, Bayesian godfather Sir Harold Jeffreys was in the habit of starting each chapter with an epigraph. Usually these epigraphs came from different sources, but not so for his 1935 geophysics book “Earthquakes and mountains”. The book has a total of seven chapters; here are the seven associated epigraphs:   For chapter 1, “Solids and Liquids”: …but who…

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A Demon Army in Santiago: Explaining Bayesian Model-Averaging With a Cartoon

Last week I attended the 84th Annual Meeting of the Psychometric Society in Santiago, Chili. Together with Maarten Marsman I taught a JASP workshop on Monday, and then gave a keynote on Tuesday. The keynote was called “Bayesian multi-model inference for practical and impractical problems” and you can find the slides here. Due to poor planning on my side, I…

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If Your First Baby is Early, Will Your Second Baby be Early?

This post was written the week before the birth of our daughter Leanne, who finally decided to make an appearance on Valentine’s Day this year. Nataschja is lying on our sofa, watching a series on Netflix. It is Tuesday afternoon and I am working from home. In fact, I have been working from home for about a week now, awaiting…

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An Inconvenient Truth

On June 6th I gave a one-hour lecture for SIOS, the Student Initiative for Open Science in Amsterdam (you can follow them on Twitter @StudentIOS). The slides are at https://osf.io/5s9uq/, and a YouTube video of the entire lecture is at https://t.co/u7bkqaC6Ko.                                                                                            Abstract This presentation consists of three parts. In the first, I will present a whirlwind tour…

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The Bayesian Methodology of Sir Harold Jeffreys as a Practical Alternative to the P-value Hypothesis Test

This post is an extended synopsis of Ly et al. (2019). The Bayesian methodology of Sir Harold Jeffreys as a practical alternative to the p-value hypothesis test. Preprint available on PsyArXiv: https://psyarxiv.com/dhb7x Abstract Despite an ongoing stream of lamentations, many empirical disciplines still treat the p-value as the sole arbiter to separate the scientific wheat from the chaff. The continued…

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