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nlebeau nlebeau
wrote...
Posts: 792
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6 years ago
In experimental designs, it is important that the control group and experimental group
 
  a. are as similar as possible.
  b. represent very different groups so the research is generalizable.
  c. do not come from the same background.
  d. receive the same treatment.
  e. are matched.
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6 years ago
a
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