The development of psychology as a discipline focused on scientific experimentation after 1879 and led to a movement away from its roots in _____

Thurstone argued, on the basis of factor analysis, that intelligence involved __________

factors. a. 1 b. 2 c. 5 d. 7 e. 10

The measure of the behavior of the subjects in a controlled experiment is called the

(a) dependent variable (b) control variable (c) random variable (d) independent variable