How Large a Sample Is Needed for a Correlation of R

question 29

Multiple Choice

How large a sample is needed for a correlation of r = 0.550 to be significant using a two-tailed test with α = .05?​

• A)​n = 14
• B)​n = 13
• C)​n = 12
• D)​n = 11

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Definitions:

Operant Conditioning

A method for learning in which the severity of an action is regulated by rewards or punitive measures.

Social Cognitive Theory

A theoretical framework that posits that learning occurs in a social context with a dynamic and reciprocal interaction of the person, environment, and behavior.

Humanistic

A psychological approach emphasizing the study of the whole person and the uniqueness of individual experience and potential.

Behavioural

Relating to the behaviors or responses of an individual or animal towards outside or inside triggers.