Category: NEWS & EVENTS


Does Psychology Have a Publication Bias Problem? Yes and No

[From the article, “The Meaningfulness of Effect Sizes in Psychological Research: Differences Between Sub-Disciplines and the Impact of Potential Biases” by Thomas Schäfer and Marcus Schwarz, published April 11, 2019 in Frontiers in Psychology] “From past publications without preregistration, 900…

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Disagreeing With Disagreeing About Abandoning Statistical Significance

[From the preprint “Abandoning statistical significance is both sensible and practical” by Valentin Amrhein, Andrew Gelman, Sander Greenland, and Blakely McShane, available at PeerJ Preprints] “Dr Ioannidis writes against our proposals to abandon statistical significance…” “…we disagree that a statistical…

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Calling All Graduate Students, Post-Docs, Researchers, and Faculty: Would You Fill Out a Short Survey on Preprints?

[From the Center for Open Science] The Center for Open Science is seeking graduate students, post docs, researchers and academic faculty to participate in a survey to investigate the factors that affect the perceived credibility and use of preprints. Participation…

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Thinking About Using Instrumental Variables? Think Again

[From the paper “Consistency without Inference: Instrumental Variables in Practical Application” by Alwyn Young, posted on his university webpage at London School of Economics] “I use Monte Carlo simulations, the jackknife and multiple forms of the bootstrap to study a…

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Don’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…

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It’s Not A Problem, It’s an Opportunity

[From the blog “The replication crisis is good for science” by Eric Loken, published at The Conversation] “Science is in the midst of a crisis: A surprising fraction of published studies fail to replicate when the procedures are repeated.” “Is…

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What Causes a Person to Become an “Open Science Convert”?

From the blog “Reflections of an open science convert. 1: Why I changed my research practices” (Part 1 of a 3-part series) by Ineke Wessel, posted at Mindwise] “Five years after Stapel’s fraud first became known, I came across Brian Wansink’s…

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Now Tell Me What You Really Think

[From the article “Assessing citizen adoption of e-government initiatives in Gambia: A validation of the technology acceptance model in information systems success. A critical article review, with questions to its publishers” by Daniel Jung, published in Government Information Quarterly] “The…

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Using Z-Curve to Estimate Mean Power for Studies Published in Psychology Journals

[From the blog “Estimating the Replicability of Psychological Science” by Ulrich Schimmack, posted at Replicability-Index] “Over the past years, I have been working on an … approach to estimate the replicability of psychological science. This approach starts with the simple…

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Do Not Abandon Statistical Significance

[From the article “The Importance of Predefined Rules and Prespecified Statistical Analyses: Do Not Abandon Significance” by John Ioannidis, published in JAMA] “A recent proposal to ban statistical significance gained campaign-level momentum in a commentary with 854 recruited signatories. The…

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