Multiple Choice
In a nonequivalent group design, it is possible that the treatment group and the comparison group will change differentially as they get older. Therefore, any changes in the DV may be caused by this differential change instead of the IV. This threat to internal validity is known as
A) maturation.
B) instrumentation.
C) history.
D) statistical regression.
Correct Answer:
Verified
Correct Answer:
Verified
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