Exposure to violence on TV or in movies has been shown to ________
A) increase aggressive behavior in children, but not in adults
B) increase the probability of aggressive behavior in people who watch them
C) increase aggressive behavior for a short time only
D) have no long-term effects on aggressive behavior
E) decrease aggressive behavior because of the catharsis effect
Answer: B
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Which of the following is a common difficulty in cross-sectional research?
There are too many variables to keep track of. Longitudinal changes are not easily measured. Cohort differences—that is, differences in background variables. Cultural differences.
Which of the following basic research designs in the field of personality psychology is typically used to determine causality?
A. Correlational methods B. Historical methods C. Case study methods D. Experimental methods
How many structural (protein-coding) genes are there in the human genome?
A) about 20,000 B) 1,000 times more than in the corn genome. C) 8 times more than in the mouse genome. D) 38 times more than in the mouse genome. E) about 3 billion.
Which theory suggests that our hearts pound and we experience fear simultaneously?
a) the two-factor theory b) cognitive meditational theory c) James-Lange theory d) Cannon-Bard theory