Do Republic professors hide their voting intentions?

There’s a lot of evidence for left-wing dominance of academia. One study (Langbert 2018) looked at registered voters and finds quite unbelievable differences: In this article I offer new evidence about something readers of Academic Questions already know: The political registration of full-time, Ph.D.-holding professors in top-tier liberal arts colleges is overwhelmingly Democratic. Indeed, faculty…

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School factors are not important: evidence from classroom separation studies

People commonly ascribe large effects to having this or that teacher, or this or that classmate. They usually cite some anecdotes from their personal lives for this, but large sample size, systematic data are strongly negative on the idea. This means that to the extent one can measure things, teachers are largely interchangeable in terms…

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The intelligence of stereotypes

The theory seems obvious: since stereotypes are just beliefs about groups, having more accurate stereotypes would be expected to be related to intelligence, just as having more accurate beliefs on most other topics relates to intelligence. The theoretical expectation of stereotype accuracy and intelligence is stronger because it’s a direct test of pattern recognition with…

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Vertical cultural transfer effects — plausible but mostly not real

Since this topic comes up repeatedly and I have to find the same studies over and over, here’s a little review. Vertical cultural transfer (various other names: vertical cultural inheritance, cultural transmission) is the main effect proposed by various social scientists for the similarity of parents and kids. It differs from the shared environment concept….

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Regression towards genetic set point: the case of MZ and DZ height in infancy/early childhood

Wilson, R. S. (1976). Concordance in physical growth for monozygotic and dizygotic twins. Annals of Human Biology, 3(1), 1-10. Heights and weights were analysed for 636 twins who had been repeatedly measured from birth to 4 years. MZ twins were less concordant for birth weight than DZ twins, principally as a result of a few…

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