Why a meta-analysis of 90 studies does not tell that much about psi, or why academic papers should not be reduced to their data

Social psychologist-turned-statistics-and-publication-ethics crusader Daniel Lakens has recently published his review of a meta-analysis of 90 studies by Bem and colleagues that allegedly shows that there is strong evidence for precognition. Lakens rips apart the meta-analysis in his review, in particular because of the poor control for publication bias. According to Lakens, who recently converted to Continue Reading