Use the Following to Answer Questions

question 43

Multiple Choice

Use the following to answer questions :
A researcher wished to study the effect of a new drug on symptoms of depression. Research participants were randomly assigned to two groups. Participants in Group A received the drug whenever they reported depressive symptoms to the experimenter; participants in Group B received nothing when they reported depressive symptoms to the experimenter. After a month of this procedure, participants in Group A reported significantly fewer symptoms of depression.
-A serious flaw of this study was that it:

• A) involved placebo therapy.
• B) was really a case study.
• C) was not a natural experiment.
• D) was not a double-blind design.

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Definitions:

Least Expensive

Refers to the lowest price option available.

Transportation Option

Different modes or methods of moving goods or people from one location to another, including road, rail, air, and sea transport.

Vidalia Onions

A specific variety of sweet onion grown in Georgia, known for its mild flavor, recognized by its geographical indication.

Total Annual Cost

The sum of all expenses incurred by a business or operation over the course of a year.