Hacker News new | comments | show | ask | jobs | submit login

They controlled for IQ, but they didn't control for desire. Some people want to make good grades for pride, to impress their parents, etc.. Others would rather do something other than the busy work required to be in the 94th percentile as shown in the graph. There is no difference between getting As and Bs in 8th grade. Colleges mainly look at grades in 9-12.

Applications are open for YC Summer 2018

Guidelines | FAQ | Support | API | Security | Lists | Bookmarklet | Legal | Apply to YC | Contact