Social Science Bites

In this Social Science Bites podcast, interviewer David Edmonds asks psychologist Kathryn Paige Harden what she could divine about his educational achievements if all she knew about him was his complete genome. “Based just on your genetic information,” she starts, “I would be able to guess about as well as I would be able to guess if I knew how much money your parents had made per year when you were growing up.” Based on current knowledge drawn from recent samples in the United States, Harden estimates an “educational attainment polygenetic score” accounts for 15 to 17 percent of the variance in educational attainment, which is defined by years of formal education. The strength of the relationship is similar to environmental factors such as that for family wealth and educational attainment, or between educational attainment and wages. Harden’s “guess” is as about as educated as someone in the realm could make – she directs the Developmental Behavior Genetics Lab and co-directs the Texas Twin Project at the Un