You Conduct a Study on a Group of Individuals to Examine

question 82

Multiple Choice

You conduct a study on a group of individuals to examine the role of exercise on depression alleviation. You assign the first 50 people who are motivated to sign up to the experimental group, and the second group of 50 people, who sign up much later, to the control group. After one month, you find that the experimental group (who exercised three times a week on average) is significantly less depressed than the control group (who exercised one time a week on average) . Although you may be tempted to conclude that exercise helps stave off depression, you cannot because of a lack of _____ in your study.

• A) random sampling
• B) random assignment
• C) random surveying
• D) random control

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Definitions:

Base Of Power

The underlying sources of influence or authority one has over others, such as expertise, coercion, or referred authority.

Normative

Relating to an ideal standard or model, or based on what is considered to be the normal or correct way of doing something.

Milgram Experiment

A controversial study conducted in the 1960s, demonstrating people's willingness to obey authority figures, even to the point of inflicting harm on others.

Resist

To oppose or strive against something or someone; showing reluctance or opposition to accept or comply with changes, conditions, or regulations.