Riots do occur more often on hot days than on cool days. The hotter the day in a number of cities, the more violent crimes occur. These results suggest that discomfort can lead to aggression.
However, such results should be interpreted with caution because
a. representative samples were not secured by the researchers.
b. some third variable might account for the relation.
c. researchers only studied violent aggression.
d. researchers limited themselves to the United States.
Question 2
Which research findings below provide the soundest evidence that excessive heat causes greater aggression?
a. In cities all over the country, riots are more likely to occur on hot days than on cold days.
b. In Phoenix, drivers without air conditioning are more likely to honk at others than are drivers with air conditioning.
c. Compared to students who took a test in a normal temperature room, test-taking students in a ninety-degree room were more likely to express hostility toward a stranger.
d. Throughout the history of the World Series, more batters have been hit by pitched balls on hot days than on cool days.
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