The director of a youth orchestra reported that high school students who played in an orchestra obtained higher scores on college entrance tests than students who did not play in orchestras. Although the director's statement is correct,
as a psychological detective you have questions. What question would be most helpful in evaluating the implied claim?
a) Does this effect differ with the musical instrument played?
b) Do orchestra students have parents who are professional musicians?
c) How many instruments does a student have to play for this effect to occur?
d) Do students who play in the orchestra differ from the rest of the students in ways other than playing in an orchestra?
D
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The field that focuses on the evolution of human behavior is
A) the human genome. B) humanism. C) evolutionary psychology. D) behavioral evolution. E) human genetics.
At the start of a marriage, is it possible to predict likelihood of divorce? If so, how?
a. No, divorce cannot be predicted at the start. b. Yes, couples that differ in personality are likely to divorce. c. Yes, couples with angry arguments are likely to divorce. d. Yes, couples that restrain their anger are likely to divorce.