This document provides an overview of chi-squared testing for analyzing relationships between qualitative data using the js-STAR software. It defines what a relationship is, explains how chi-squared tests work by comparing observed and expected cell counts in a cross-tabulation table, and provides an example of conducting a chi-squared test to examine the relationship between gender and smoking habits. The results include the chi-squared value, degrees of freedom, p-value, and effect size. Adjusted residuals in the cross-tabulation table help identify which cells have significantly higher or lower counts.