LIFE AFTER CHI-SQUARED - AN INTRODUCTION TO LOG-LINEAR ANALYSIS

Chi-squared tests are used to examine the relationships among categori cal variables. However, they are difficult to use and interpret when m ore than 2 variables are involved. In such cases, it is better to use a related statistic, called log-linear analysis. This article is an in troduction to log-linear models, illustrating how they can be used to tease apart relationships among several variables in looking at the fa ctors associated with photonumerophobia.