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Briteangelsteph Briteangelsteph
wrote...
Posts: 709
Rep: 0 0
6 years ago
In a nonequivalent control group design, the most serious threat to internal validity is:
 
  A) Testing
  B) Selection
  C) Maturation
  D) History
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wrote...
6 years ago
B
wrote...
6 years ago
Makes tons more sense now
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