Multiple Choice
Ahmed conducts a study to test the effectiveness of a drug. He surveys the clients twice-once at intake and then six months later. He finds that the drug was overall effective, but approximately 55 percent of the original sample stopped using the drug. Therefore, he does not have posttest data for them. In this case, what is likely to be an alternative explanation for the results obtained by Ahmed?
A) Maturation
B) Mortality
C) Statistical regression
D) Diffusion of treatment
Correct Answer:
Verified
Correct Answer:
Verified
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