Which Item Is NOT One of the Criticisms of Terman's

Multiple Choice

Which item is NOT one of the criticisms of Terman's research study?

A) might have been biased by the principal's recommendations in the selection of the gifted children
B) did not include students from diverse ethnic and racial backgrounds
C) Terman may have actively intervened in the lives of his subjects.
D) Terman's own children were part of the research study.