Whenever preexisting, intact groups are used for an evaluation,
A) one can treat the groups as if they were equivalent.
B) one can be sure that the participants were randomly assigned to the groups.
C) the evaluation is readily interpretable.
D) the groups usually differ on many variables.
Correct Answer:
Verified
Q1: Although some quasi-experimental designs are fairly effective
Q3: When an evaluator recognizes a potential threat
Q4: A randomized experiment
A) cannot be a good
Q5: Pretests are recommended even when the evaluation
Q6: The use of pretests in an experimental
Q7: Service providers sometimes object to random assignment
Q8: The use of pretests with an experimental
Q9: A good approach to interpretation when a
Q10: When determining the costs of a valid,
Q11: An evaluation that _ is a waste
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