21-What was B. F. Skinner's primary area of research?
A. Trait theories of personality
B. Psychodynamic theories of personality
C. Humanist theories of personality
D. Behavioral theories of personality
Answer:D
21-What was B. F. Skinner's primary area of research?
A. Trait theories of personality B. Psychodynamic theories of personality C. Humanist theories of personality D. Behavioral theories of personality