When a Researcher Manipulates a Key Factor That He Thinks

question 46

Multiple Choice

When a researcher manipulates a key factor that he thinks is responsible for specific behavior and allocates testing participants according to which factor is tested, the resulting groups are called _______ groups.

• A) ethnic
• B) research
• C) experimental
• D) None of these are correct.

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Definitions:

Randomized Controlled Trial (RCT)

A study design that randomly assigns participants into an experimental group or a control group to measure the effectiveness of interventions.

Gold Standard

Refers to the best, most reliable, or most prestigious thing of its type.

Peer-reviewed Article

A scholarly work that has been evaluated and deemed credible by experts in the same field before publication.

Experimental Research

A methodology involving the manipulation of variables to establish cause-and-effect relationships.