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A Step-by-Step Approach to Using SAS® for Univariate & Multivariate Statistics, Second Edition by Edward J. Stepanksi Ph.d., Larry Hatcher, Norm O'Rourke

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Guidelines for Choosing the Correct Statistic

Studies with a Single Criterion Variable and a Single Predictor Variable

These are among the simplest (and most common) studies conducted in the social sciences. Some of the statistics appropriate for this type of investigation are listed in Table A.1.

Table A.1. Studies with a Single Criterion Variable and a Single Predictor Variable
Criterion/Dependent VariablePredictor/Independent VariableAnalysis
NominalNominalChi-square test of independence.[*]
Ordinal, Interval, RatioNominalKruskal-Wallis test. Typically used with an ordinal-scale criterion; also used with interval/ratio scale criterion if markedly non-normal.
Interval, RatioNominalt test.[*]Appropriate only if predictor variable consists of no ...

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