In a Recent Study Designed to Determine the Effectiveness of Antidepressant

question 102

Multiple Choice

In a recent study designed to determine the effectiveness of antidepressant medication,depressed patients were randomly assigned to take either an antidepressant medication or a placebo.Symptoms of depression were measured before and during treatment.Over the course of treatment,both groups reported decreased symptoms of depression.The investigators still concluded that antidepressants were clinically effective because:

• A)those taking the antidepressants had larger reductions in symptoms.
• B)taking a larger dose of an antidepressant produced larger reductions in symptoms than did a smaller dose or placebo.
• C)the benefits of taking the placebo tended to be temporary.
• D)the antidepressant medication was more effective than was a placebo for patients experiencing severe symptoms of depression.

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Definitions:

Independent Variable

An independent variable is a factor in a scientific experiment that is manipulated to observe its effect on the dependent variable.

Independent Variables

Variables in an experiment that are manipulated or changed by the researcher to determine their effects on dependent variables.

Persuasive Speech

A form of communication aimed at convincing the audience to accept a particular viewpoint or take a specific action.

Style Of Clothing

An expression of personal and cultural identity through the selection and combination of garments and accessories.