The issue with early interventions for cognitive traits
There are numerous intervention studies aim at improving cognitive traits. While one can aggregate these in ways that give the appearance of impact, when looked at properly they don't really…
Strong publication bias in early intervention studies
I apparently did not post this one on the blog, only on Twitter. Or at least, I can't find it. Here's the analysis: http://rpubs.com/EmilOWK/pub_bias_early_intervention Figures