Post-traumatic stress disorder involves

A) immediate reaction to stressful war experiences.
B) stress reactions in anticipation of a traumatic event.
C) psychological disturbance due to the experience of a major traumatic event.
D) psychotic reactions to chronic stress, which emerge after one leaves the stressful environment.

Which of the following is a complex, rather than a basic, emotion?

A) Anger
B) Surprise
C) Disgust
D) Envy

Recent research on the "Big Five" personality factors uses an approach to understanding personality similar to that advocated by

A) Gordon Allport.
B) Raymond Cattell.
C) Carl Jung.
D) Henry Murray.