The Flynn Effect
Average scores on intelligence tests rose steadily throughout the twentieth century, by roughly three points per decade in the countries with long…
Matching your filter
Average scores on intelligence tests rose steadily throughout the twentieth century, by roughly three points per decade in the countries with long…
Violent crime fell steeply across most of the developed world from the early 1990s, in some countries by more than half. The fall is one of the best…
The replication crisis is the finding that a substantial share of published research results cannot be reproduced when the studies are repeated. It…
Statistical significance is a threshold used to decide whether a result is worth taking seriously. The conventional cutoff, a p-value below 0.05,…
How much of the variation in measured intelligence is attributable to genetic variation is among the most technically misunderstood questions in…