Multiple Choice
In a nonequivalent group design, it is possible that some local event could differentially affect our treatment and comparison groups. This threat to internal validity is known as
A) maturation.
B) instrumentation.
C) an interaction between selection and history.
D) an interaction between selection and instrumentation.
Correct Answer:
Verified
Correct Answer:
Verified
Q30: The nonequivalent group design involves<br>A) two groups
Q31: Describe the posttest-only control-group design. How does
Q32: Distinguish between random assignment and random selection.
Q33: In a nonequivalent group design, the nonequivalence
Q34: In a nonequivalent group design, why do
Q36: To control for history effects in an
Q37: What are interactions with selection? Give an
Q38: Random assignment creates equal groups when<br>A) instrumentation
Q39: Describe at least four reasons why researchers
Q40: _ means that each participant has an