If the Researcher Suspects That the Strength of the Relationship

question 27

Multiple Choice

If the researcher suspects that the strength of the relationship between two variables in the population is .25,what sample size should she use per group in a study involving two correlated groups and an alpha level of .05,directional test,in order to achieve a power of .90?

• A)14
• B)17
• C)21
• D)24

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