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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.

The code of ethics of the sets forth certain basic standards that sociologists must follow in conducting research. question 14 options:

Insurance premiums paid be the employer on the employees behalf are a benefit. true or false