Personality psychologists are concerned with ______________ in a given situation.

average behavior
crowd behavior
individual differences in behavior
all of these

http://en.wikipedia.org/wiki/Personality_psychology

crowd behavior

Personality psychologists are concerned with all of these factors in a given situation. To arrive at this answer, we can break down each option and see if it aligns with the field of personality psychology.

1. Average behavior: Personality psychologists are interested in studying how individuals typically behave and the patterns or tendencies that can be observed within a group or population.

2. Crowd behavior: Personality psychologists may also examine how individuals' personalities influence their behavior when they are part of a larger group or crowd.

3. Individual differences in behavior: This is a fundamental aspect of personality psychology. Personality psychologists focus on understanding and explaining the variations in individuals' behavior, thoughts, and emotions.

Considering that all of these options are aligned with the scope of personality psychology and are relevant to understanding behavior in a given situation, the correct answer is "all of these."