Twin studies indicate that heredity makes a substantial contribution to

a. schizophrenia.
b. gender identity.
c. obsessive-compulsive disorder.
d. mate selection.
e. hobbies.

a. schizophrenia.

Psychology

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Which is not a characteristic of appropriate behavior? Psychologically healthy

people (a) can focus their attention (b) experience feelings only in moderation (c) are unique individuals (d) can experience pleasure (e) all of the above

Psychology

The only valid test for a construct system is its:

a. unipolarity. c. predictive efficiency. b. destructive interference. d. constructive interference.

Psychology