Multiple Choice
Chris would like to conduct a study on the effectiveness of a new substance-abuse treatment program. He has a sample of participants go through the program and he uses as a comparison group people who did not volunteer for the program but were eligible. Chris has used a(n) _________ design for his study.
A) interrupted time-series
B) pretest-posttest control-group
C) nonequivalent group
D) Solomon four-group
Correct Answer:

Verified
Correct Answer:
Verified
Q42: The textbook describes an experiment designed to
Q43: In a nonequivalent group design, it is
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Q45: You choose your participants through random _,
Q46: To show that a treatment worked in
Q48: What is the minimum number of observations
Q49: Explain how the following threats to internal
Q50: Briefly describe the pretest-posttest control-group design and
Q51: Describe three reasons why the A-B design
Q52: Measurements that occur during the period in