Among the following personality theorists, whose theory has been influenced by genetic factors?
a. Cattell
c. Buss and Plomin
b. Eysenck
d. All of these are correct.
ANS: D
FEEDBACK: Eysenck's dimensions of psychoticism, neuroticism, and extraversion, Cattell's sixteen source traits, and Buss and Plomin's three temperaments of emotionality, activity, and sociability illustrate the effect of genetic factors on the personality theories. There is increasingly strong evidence that many personality traits or dimensions are inherited.
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