Part 1 — CHAPTER V
Reading edition
Analysis of one Thousand Intelligence Quotients 65
The distribution of intelligence.
The validity of the intelligence quotient.
Sex differences.
Intelligence of the different social classes.
The relation of the I Q to the quality of the child’s school work.
The relation between I Q and grade progress.
Correlation between I Q and the teachers’ estimates of the children’s intelligence.
The validity of the individual tests.