Chi-square Test for Association

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Wikis > Research > Statistics > Statistical Tests > Correlations and Associations > Chi-square Test for Association

The chi-square test for association tests for whether two categorical variables are associated. Another way to phrase this is that this test determines whether two variables are statistically independent. For this reason, this test is also often referred to as the chi-square test of independence. More specifically, it tests for the association/independence between two nominal/dichotomous variables. You can test for ordinal variables, but you will lose the extra information provided by knowing the order of the categories. This test does not distinguish between dependent and independent variables, although your study design might do so.

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