This research note reports an investigation into the relationship tetween date of birth and early performance at school and especially into whether there were more poor achievers'' born during the summer months than in other months. (Author)

The purpose of this study was to determine if verbal scores on the "Scholastic Aptitude Test" (SAT) were related to student birth order and number of siblings in the family. The SAT scores of 71 randomly chosen students of the 1978 graduating class of a suburban high school were classified by family size and class rank of student. Each…