Cattell's Interest in Mental Tests Probably Was Aroused Most by ____

Multiple Choice

Cattell's interest in mental tests probably was aroused most by ____.

A) ​his work on reaction times in Wundt's laboratory
B) Freud's development of projective tests
C) ​Hall's use of questionnaires
D) his meeting with Galton while at Cambridge University
E) Hall's child study movement