For dichotomous variables, the strength of the relationship between the variables and practical significance can be established through:

Question

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The strength of the relationship between dichotomous variables can be evaluated using chi-square test or contingency coefficient. However, to determine the practical significance of the relationship, the contingency coefficient is preferred over the chi-square test as it is a standardized measure that ranges from 0 to 1, with higher values indicating stronger relationship.

For Dichotomous Variables, the Strength of the Relationship Between the Variables