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:

Indirect Approach

A communication method where the main point or message is not directly stated at the beginning, often used in writing or speech to build suspense or be polite.

Buffer Statement

A neutral or positive statement used to cushion the impact of a negative message or bad news in communication.

Promotion Drive

A campaign or effort to increase awareness or sales of a product or service, or to elevate an individual's position within an organization.

Additional Funds

Extra money required or available beyond what was originally budgeted or expected.