A Group of Physicians Tests a New Drug for Treating

question 47

Multiple Choice

A group of physicians tests a new drug for treating Attention Deficit Disorder (ADD) . They measure the amount of time a group of ADD students attend to a task during a specified hour one week prior to taking the new drug and for a specified hour one week after taking the new drug. The physicians used what type of design to test the drug?

• A) One-group posttest-only design
• B) One-group pretest-posttest design
• C) Posttest-only design with nonequivalent groups
• D) Nonequivalent posttest-only design

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