Binet's Work on "Individual Psychology" with Victor Henri Finally Led

Multiple Choice

Binet's work on "Individual Psychology" with Victor Henri finally led him to conclude that:

A) "projective tests" showed great promise for personality research.
B) the main components of someone's personality could be captured with five or six basic measures.
C) there is no substitute for extended and detailed case studies in understanding individuality.
D) both a and b above