A Step-by-Step Approach to Using SAS® for Univariate & Multivariate Statistics, Second Edition

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 Variable	Predictor/Independent Variable	Analysis
Nominal	Nominal	Chi-square test of independence.[*]
Ordinal, Interval, Ratio	Nominal	Kruskal-Wallis test. Typically used with an ordinal-scale criterion; also used with interval/ratio scale criterion if markedly non-normal.
Interval, Ratio	Nominal	t test.[*]Appropriate only if predictor variable consists of no ...