Group differences on the Wonderlic short IQ test
I have written a couple of times about how to measure intelligence well and in a short time. Mainly I was interested in which single type of item is best…
I have written a couple of times about how to measure intelligence well and in a short time. Mainly I was interested in which single type of item is best…
I have often talked about how measurement error impacts correlations between two variables. Here we are talking about classical measurement error, which is theoretically understood as adding a normally distributed…
Probably most social science is done using data that are based on self-report. Thus, they are crucially dependent on assumptions that self-report data reflect objective reality. There are some large…
Antonio Regalado is providing us with a recent series of the arguably best informed (compared to Guardian, Nature news etc.) popular science articles on genomics and its relevance to modern…
Emil O. W. Kirkegaard1 Abstract Item-level data from Raven’s Standard Progressive Matrices was compiled for 12 diverse groups from previously published studies. Jensen’s method (method of correlated vectors) was used…