Twin studies suggest that personality traits measured by the MMPI are determined:
a. by both the environment and genetics, but genetics probably plays a greater role
b. entirely by genetics
c. entirely by the environment or experience
d. by both the environment and genetics, with each equally important
A
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According to the article Zipping Up the Genes about twins reared apart, which group of people was used
as a control to be sure that the findings of the study were not only the result of having been separated from family (a) a large class of introductory psychology students (b) the researchers in the lab where the twin studies were conducted (c) the spouses of the twins being studied (d) a sample of people located by random dialing of phone numbers
The tendency to attribute one's own behavior primarily to situational factors and the behavior of others primarily to dispositional factors is known as the _____
a) self-serving bias. b) internal attribution. c) actor-observer effect. d) external attribution.