Placebos Are Used in Experiments to

question 29

Multiple Choice

Placebos are used in experiments to

• A)control for the variability of individuals who tend to volunteer for research studies.
• B)control for the expectations of some research participants that they will improve just because they are in a research study.
• C)help determine whether an independent variable actually causes a statistically significant change in a dependent variable.
• D)make certain that the treatment and control group are randomly selected.

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Definitions:

Personality Traits

Characteristic patterns of thoughts, feelings, and behaviors that make a person unique and tend to be consistent over time.

Aging American Parents

The phase in life where parents in the United States advance into old age, dealing with changes in health, independence, and possibly relying more on their children or caregivers.

Sunbelt Locations

Sunbelt locations refer to areas in the United States, primarily in the Southeast and Southwest, characterized by warm climates, rapid economic and population growth, and often seen as desirable places to live and work.

Midlife Crisis

A time of dramatic self-doubt and anxiety during which people sense the passing of their youth and become concerned with their own aging and mortality.