The Replication Network
Furthering the Practice of Replication in Economics
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The Main Reason to Pre-Register Your Research Is…
[Excerpts taken from the article, “The Value of Preregistration for Psychological Science: A Conceptual Analysis”, by Daniël Lakens, posted at PsyArXiv Preprints] “With the rise of the internet it has become feasible to create online registries that ask researchers to…
Read MorePositive Findings are Drastically Lower in Registered Reports
[From slides prepared for the talk “Positive result rates in psychology: Registered Reports compared to the conventional literature” by Mitchell Schijen, Anne Scheel, and Daniël Lakens, presented at Open Science 2019 @ZPID, Trier , and posted at OSF] Conclusion: “Positive result rate in…
Read MoreDon’t Abandon It! Learn (and Teach) to Use It Correctly
[From the paper “The practical alternative to the p-value is the correctly used p-value” by Daniël Lakens, posted at PsyArXiv Preprints] “I do not think it is useful to tell researchers what they want to know. Instead, we should teach…
Read MoreIN THE NEWS: Undark (March 21, 2019)
[From the article “Stats Experts Plead: Just Say No to P-Hacking” by Dalmeet Singh Chawla, published in Undark] “For decades, researchers have used a statistical measure called the p-value — a widely-debated statistic that even scientists find difficult to define — that is…
Read MoreSomebody Asks, How Can A Theory Be Falsified? Twitter Responds
[From the Twitter thread started by @JessieSunPsych] Jessie Sun (@JessieSunPsych) relayed the following question that was raised at a recent Psychology conference: “At what point can a theory be falsified (e.g., if the effect size is d = .02)? We often…
Read MoreRedefining RSS
[From the blog “Justify Your Alpha by Decreasing Alpha Levels as a Function of the Sample Size” by Daniël Lakens, posted at The 20% Statistician] “Testing whether observed data should surprise us, under the assumption that some model of the data is…
Read MoreShould Science Do More Replications? It Depends
[From the recent working paper, “The Costs and Benefits of Replication Studies” by Coles, Tiokhin, Scheel, Isager, and Lakens, posted at psyarxiv.com/c8akj] “The debate about whether replication studies should become mainstream is essentially driven by disagreements about their costs and benefits,…
Read MoreA Roundtable Podcast on the Merits of Lowering the Threshold for Statistical Significance to 0.005
This past week, the International Methods Colloquium hosted a conference call on a recent proposal to reduce the threshold of statistical significance to 0.005. Participants included Daniel Benjamin, Daniel Lakens, Blake McShane, Jennifer Tackett, E.J. Wagenmakers, and Justin Esarey, all…
Read More2017 Leamer-Rosenthal Award Winners Announced
Each year, the Berkeley Initiative for Transparency in the Social Sciences (BITSS) awards prizes to researchers who have made substantial contributions to improving transparency in research practices. The prizes are names after Ed Leamer (economics) and Robert Rosenthal (psychology) through…
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