Chris Would Like to Conduct a Study on the Effectiveness

question 47

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

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Definitions:

Transaction

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