If the Researcher Suspects That the Strength of the Relationship

question 76

Multiple Choice

If the researcher suspects that the strength of the relationship between two variables in the population is .40,as indexed by the correlation coefficient squared,what sample size should she use in a study involving an alpha level of .05,directional test,in order to achieve a power of .80?

• A)13
• B)16
• C)20
• D)23

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