In a study of divorce rates in different U.S. states, Frankie observed strong correlations between crime rates and divorce rates (e.g., divorce rates are higher in states with higher crime rates). Based on these results, Frankie concluded that crime causes divorce. Which of the following represents a potential environmental confound in Frankie's study?
A) people who watch a lot of aggressive television are more likely to commit crimes
B) people who are more aggressive are more likely to commit crimes
C) the average temperature varies greatly from state to state
D) the proportion of urban residents varies greatly from state to state
D
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In humans, single genes determine virtually all physical and psychological traits.
a. true b. false
Suppose twin teenagers are vying for their mother's attention. The mother is trying to pay attention to one of her daughters, though both girls are talking (one about her boyfriend, one about a school project). According to the operating characteristics of Treisman's attenuator, it is most likely the attenuator is analyzing the incoming messages in terms of
a. physical characteristics. b. language. c. meaning. d. direction.