Recently, VDARE.com’s Lance Welton cited my work when suggesting that a general decline in intelligence—among whites, quite apart from the immigration of lower IQ races—was one reason for the disgraceful jury verdict in the Derek Chauvin show trial. People often react incredulously when told of this IQ decline: “Haven’t you heard of the Flynn Effect?... Read More

One of the greatest pieces of evidence demonstrating that the family/rearing environment has no effect on eventual outcomes is the absence of birth order effects. Birth order is an excellent test for these effects: it is something that systematically differs between siblings and is bona fide non-genetic (mostly). Hence, it's a great way to see... Read More

A steady increase in reaction time seems to begin circa 1980 in Sweden, Great Britain, and the United States (h/t to hbd* chick) Has reaction time been steadily increasing from generation to generation? This was the finding of a paper last year, which argued that mean IQ had fallen in Britain by 13 points since... Read More

The Flynn Effect (FE) has become the accepted term for the increase in IQs that has been reported in many developed countries during the 20th century. The FE has also recently been reported in two developing countries, Dominica and Sudan. In fact, the term Flynn Effect is a misnomer, because the rise of IQs was... Read More