A Group of Physicians Tests a New Drug for Treating

question 55

Multiple Choice

A group of physicians tests a new drug for treating Attention Deficit Disorder (ADD) . They randomly assign 40 children with ADD to the experimental and control groups (20 per group) . They then measure the amount of time each group of ADD students attend to a task during a specified hour one week prior to the treatment group taking the new drug and during a specified hour one week after the treatment group takes the new drug. The physicians used what type of design to test the drug?

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

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Definitions:

Social Security Trust Fund

A governmental fund that collects payroll taxes to provide retirement, disability, and survivors' benefits.

Federal Government

The national government of a federation, responsible for national affairs, distinct from state or local governments.

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Fixed-income securities that represent loans made by investors to borrowers, typically corporate or governmental, which pay interest over a defined period and return the principal at maturity.

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The demographic cohort born approximately between 1946 and 1964, experiencing significant political, economic, and social changes.