A Drug and a Placebo Are Compared for Treating Diabetes

question 7

Multiple Choice

A drug and a placebo are compared for treating diabetes. A random half of the subjects receive the drug, while the other half receives the placebo. Blood glucose level is tested in all of the subjects several times a day. What type of design does this study represent?

• A) Single-factor within-subjects
• B) Single-factor between subjects
• C) One-group pretest-posttest
• D) Posttest-only design with nonequivalent control groups

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