According to Eysenck's original model, which of the following is true about extraverts?
A. They generally have a high level of cortical arousal.
B. They have learned through early experiences to enjoy social events.
C. They generally have a low level of cortical arousal.
D. They are low in neuroticism.
Question 2
Using factor analysis, Eysenck found that people who score high on the dimension of psychoticism tend to be
A. egocentric and aggressive.
B. impulsive.
C. not generally concerned with the rights and welfare of others.
D. all of the above