Then in the 1980s, a researcher named Robert Plomin published a surprising paper in which he reviewed the three main ways psychologists had studied siblings: physical characteristics, intelligence and personality. According to Plomin ...
Having read a number of books on this topic, I picked up this one while on vacation. I did enjoy the book overall and would recommend it to anyone interested in the subject. Read more Published 7 months ago by Tim Freeman ...
Another very recent paper by Arden and Plomin (2006) confirms the greater male variance in mental test scores. I also urge readers to check out an analysis of the 2000 Program for International Student Assessment (PISA) on p. ...
