Select all of the following statements that are correct abou

Select all of the following statements that are correct about the phi-coefficient: A: It is determined only by the proportions in a 2x2 data matrix B: It is a measure of correlation between a dichotomous variable and a continuous variable C: It is a measure of correlation between two dichotomous variables D: It is the same as a Cramer\'s V when the data are a 2x2 matrix

Solution

A: It is determined only by the proportions in a 2x2 data matrix

C: It is a measure of correlation between two dichotomous variables

D: It is the same as a Cramer\'s V when the data are a 2x2 matrix