A problem with nonequivalent group designs is that any differences found could be explained by differences in ____.
A) participant characteristics
B) history
C) instrumentation
D) testing effects
Correct Answer:
Verified
Q2: In nonexperimental and quasi-experimental studies, different groups
Q12: A researcher introduces a new mathematics program
Q13: Which study illustrates a nonexperimental study?
A)a study
Q15: A researcher compares preexisting groups of individuals
Q15: The concept of nonequivalent groups means _.
A)
Q16: Which statement accurately describes what is evaluated
Q19: Pre-post designs are threatened by _.
A)factors related
Q20: Which threat occurs in nonequivalent group designs
Q22: What is the appropriate statistical analysis for
Q37: A research study that evaluates changes in
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