In A(n) _________ Groups Design, Groups of Participants Are Formed

question 20

Multiple Choice

In a(n) _________ groups design, groups of participants are formed by random assignment.

• A) independent
• B) correlated
• C) repeated measures
• D) natural groups

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Definitions:

Smiling

is a facial expression formed by flexing the muscles at the edges of the mouth, typically signaling joy, amusement, or sociability.

Variable

A characteristic, number, or quantity that can change or vary, often used in research to measure and analyze differences or effects.

Experimental Group

A group in a scientific study that receives the treatment or intervention being tested, allowing researchers to measure the effect of the treatment.

Control Group

In experimental research, the group of subjects not exposed to the treatment, used as a benchmark to measure the effect of the treatment group.