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Is It a Replication? A Reproduction? A Robustness Check? You’re Asking the Wrong Question
[Excerpts taken from the article, “What is replication?” by Brian Nosek and Tim Errington, published in PloS Biology] “Credibility of scientific claims is established with evidence for their replicability using new data. This is distinct from retesting a claim using…
Read MoreWhich Journals in Your Discipline Score Best on the TOP Criteria? There’s an App for That
[Excerpts taken from the article “New Measure Rates Quality of Research Journals’ Policies to Promote Transparency and Reproducibility”, published by the Center for Open Science at their website.] “Today, the Center for Open Science launches TOP Factor, an alternative to journal…
Read MoreReplication of Cancer Studies a Failure to Launch
[Excerpts taken from the article “Trouble replicating cancer studies a ‘wake-up call’ for science” by Jack Groves, published at timeshighereducation.com] “Later this year, the Virginia-based Center for Open Science will publish the final two papers of an initiative launched in…
Read MorePicking Significant Estimates to Replicate Can Induce “Replication Crisis”-Like Results
[From the paper “Statistical Methods for Replicability Assessment” by Kenneth Hung and William Fithian, posted at ArXiv.org. Note that H&K’s paper is primarily concerned with presenting an empirical procedure for addressing questions about replicability after correcting for selection bias. This…
Read MoreIN THE NEWS: The Atlantic (November 19, 2018)
[From the article, “Psychology’s Replication Crisis Is Running Out of Excuses” By Ed Yong, published in The Atlantic] “The Many Labs 2 project was specifically designed to address these criticisms. With 15,305 participants in total, the new experiments had, on…
Read MoreA Primer on Pre-Registration
[From the article “The preregistration revolution” by Brian Nosek, Charles Ebersole, Alexander DeHaven, and David Mellor, published in PNAS] “Progress in science relies in part on generating hypotheses with existing observations and testing hypotheses with new observations. This distinction between postdiction and prediction…
Read MorePre-registration. From clinical trials. To psychology. Next, the world?
[From the article “More and more scientists are preregistering their studies. Should you?” by Kai Kupferschmidt, published in Science] “…Preregistration, in its simplest form, is a one-page document answering basic questions such as: What question will be studied? What is the hypothesis?…
Read MoreIN THE NEWS: NY Times (July 16, 2018)
[From the article “Psychology Itself Is Under Scrutiny” by Benedict Carey, published in the NY Times] “The urge to pull down statues extends well beyond the public squares of nations in turmoil. Lately it has been stirring the air in…
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