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slashbro slashbro
wrote...
Posts: 743
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6 years ago
Joe, a psychologist, believes that listening to classical music while studying will increase academic performance. This is an example of a(n) ____.
 
  a. hypothesis
  b. theory
  c. experimental design
  d. case study
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wrote...
6 years ago
ANSWER:
a
wrote...
5 years ago
theory
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