From the New Yorker, of all places: Because trigger warnings involve assumptions about emotional reactions, particularly with respect to P.T.S.D., psychology researchers have begun to study whether trigger warnings are in fact beneficial. The results of around a dozen psychological studies, published between 2018 and 2021, are remarkably consistent, and they differ from conventional wisdom: they...
Another big replication project has disappointing results
Over the past few years, an international team of almost 200 psychologists has been trying to repeat a set of previously published experiments from its field, to see if it can get the same results. Despite its best efforts, the project, called Many Labs 2, has only succeeded in 14 out of 28 cases. Six years ago, that might have been shocking. Now it comes as expected (if still somewhat...
Kahneman: “I placed too much faith in underpowered studies”
Kahneman responded: The argument is inescapable: Studies that are underpowered for the detection of plausible effects must occasionally return non-significant results even when the research hypothesis is true – the absence of these results is evidence that something is amiss in the published record. Furthermore, the existence of a substantial file-drawer effect undermines the two main tools that...
Psychology is broken
Now, a painstaking yearslong effort to reproduce 100 studies published in three leading psychology journals has found that more than half of the findings did not hold up when retested. The analysis was done by research psychologists, many of whom volunteered their time to double-check what they considered important work. Their conclusions, reported Thursday in the journal Science, have confirmed...