The humble high school AP test is altering the course of millions of Americans’ lives

Dan Kopf:

A recently published study shows that students are more likely to major in a subject if they received a higher score on the AP test for that subject, even compared to students who performed almost identically in raw numbers, but whose results are rounded to a lower score. The researchers, from Stanford University, Harvard University and the College Board, find that the effect is primarily a response to positive feedback.


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