How Many Participants Would Be Needed for a Matched-Subjects Design

question 12

Multiple Choice

How many participants would be needed for a matched-subjects design comparing three different treatment conditions with 20 scores in each treatment?

• A)20
• B)60
• C)120
• D)cannot answer without more information.

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Definitions:

Older Adults

Refers to individuals typically aged 65 and older who are in a later stage of life, often characterized by retirement, increased leisure time, and various health considerations.

Successful Adjustment

The effective adaptation or modification of oneself to new conditions or environments, often reflecting personal growth or coping strategies.

Predictors

Variables or factors that can be used to forecast future events or outcomes.

Retirement

The period of someone's life during which they choose to permanently leave the workforce behind.