Group Differences in IQ and The Bell Curve

These flashcards cover key concepts related to group differences in IQ and findings from The Bell Curve regarding intelligence.

What group differences in IQ were mentioned in the lecture?

The countries mentioned include the United States, Gabon, Russia, Taiwan, and Australia.

What fallacies are discussed in relation to group and individual differences?

Fallacies include hasty generalization and ecological fallacy.

What did the meta-analysis by Irwing & Lynn (2005) find about sex differences in IQ?

It found no differences up to the age of 15, but adult men score on average 5 IQ points more than women.

Which cognitive abilities do men tend to perform better in?

Men tend to perform better in certain spatial tasks, such as mentally rotating objects.

What performance advantage do women have in cognitive tasks?

Women tend to perform better than men on tests of perceptual speed and verbal abilities.

What anatomical differences between male and female brains are mentioned?

Differences in lateralization, where men rely on one hemisphere and women utilize both for specific functions.

What is 'The Bell Curve' by Herrnstein and Murray primarily about?

It discusses the relationship between IQ and various socio-economic factors, considered controversial and potentially racist.

What assumption does The Bell Curve make about the heritability of IQ?

It claims that IQ is substantially heritable, estimating between 40% and 80%.

What did the authors of The Bell Curve recommend regarding immigration and welfare?

They suggested stopping immigration and welfare to prevent conditions that reduce IQ.

What stance do the authors take on the role of environment versus genetics in IQ differences?

They suggest both genes and environment likely contribute to racial differences, but they remain agnostic on the weight of each.

What were the findings regarding racial distributions of IQ in The Bell Curve?

It presented data on the differences in IQ distributions among different racial groups.