Human twin studies suggest that aggressiveness is
a. heritable, and impulsive aggression is particularly so
b. heritable, and premeditated aggression is particularly so.
c. almost entirely the result of learning.
d. heritable in males, but not in females.
a
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Kareem always heard athletes were just "dumb jocks." He was surprised to find out that Quinn, the smartest, most dedicated student in class, is on the football team. Kareem's initial thoughts about athletes are an example of a
A. prejudice. B. stereotype. C. script. D. mental model.
When Chi compared the performance of child chess experts and adult chess novices on a task involving memory for the layout of chess pieces on a chessboard, she found that the children
A) outperformed the adults because the children were very bright and had exceptional memories. B) performed as well as the adults, suggesting that knowledge can compensate for memory limitations. C) performed as well as the adults when there were fewer than eight pieces on the chessboard. D) outperformed the adults because their knowledge base contributed to memory performance.
"The experimenter randomly assigned subjects to treatment conditions with a table of random numbers" is an example of a(n) ________ sentence.
A. precise B. ambiguous C. organized D. inverted subject order
Which of the following pairs of siblings is most likely to quarrel?
A. Older brother and younger sister B. Older sister and younger brother C. Two boys D. Two girls