【用戶】PROSA
【年級】大四下
【評論內容】Recently economists looked at the relationship between pupils’ month of birth and their school performance. It was found that among fourth graders, the oldest children scored on math and reading somewhere between four and twelve percentile points better than the youngest children. That can be explained as a “huge effect.” It means that if you take two intellectually 21 fourth graders with birthday sat opposite ends of the cut off date, the older student could score in the eightieth percentile, 22 the younger one could score in the sixty-eighth percentile. 如果你使兩...