[Excerpts are taken from the article “The hidden ‘replication crisis’ of finance”, by Robin Wigglesworth, published at Financial Times online.] “It may sound like a low-budget Blade Runner rip-off, but over the past decade the scientific world has been gripped…
Read More[Excerpts taken from the article, “We’re All ‘P-Hacking’ Now” by Christie Aschwanden, publised in Wired] “It’s got an entry in the Urban Dictionary, been discussed on Last Week Tonight with John Oliver, scored a wink from Cards Against Humanity, and now it’s been featured…
Read MoreBackground: Nat Goodman is generally pessimistic about the benefits of pre-registration. Bob Reed is generally optimistic about pre-registration. What follows is a back-and-forth dialogue about what each likes and dislikes about pre-registration. [GOODMAN, Opening Statement] We need to remember that…
Read More[From the article, “Rein in the four horsemen of irreproducibility”, by Dorothy Bishop, published in Nature] “More than four decades into my scientific career, I find myself an outlier among academics of similar age and seniority: I strongly identify with…
Read More[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…
Read More[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 More[From the blog “P-values 101: An attempt at an intuitive but mathematically correct explanation” by Xenia Schmalz, posted at Xenia Schmalz’s blog] “…what exactly are p-values, what is p-hacking, and what does all of that have to do with the replication crisis?…
Read More[From the paper “Preregistration and reproducibility” by Eirik Strømland, forthcoming in the Journal of Economic Psychology] “I present a simple model in which the research community is populated by agents who may report their results unconditionally or conditionally on statistical…
Read More[From the paper “Specification Searching and Significance Inflation AcrossTime, Methods and Disciplines” by Eva Vivalt, published in the Oxford Bulletin of Economics and Statistics] “…This paper leverages a database of impact evaluation results collected by AidGrade, a US non-profit organization that…
Read More[From the article “Psychology’s Replication Crisis Has Made The Field Better” by Christie Aschwanden, published at FiveThirtyEight] “The replication crisis arose from a series of events that began around 2011, the year that social scientists Uri Simonsohn, Leif Nelson and…
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