When the Data Form a 2×2 Matrix,the Phi-Coefficient Is Used

question 68

Multiple Choice

When the data form a 2×2 matrix,the phi-coefficient is used to measure effect size for the chi-square test for independence.If other factors are held constant,how does sample size influence the values for phi and chi-square?

• A)A larger sample increases both phi and chi-square.
• B)A larger sample increases phi but has no effect on chi-square.
• C)A larger sample increases chi-square but has no effect on phi.
• D)Sample size does not influence either phi or chi-square.

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