Latent class analysis (LCA) is a useful statistical approach for understanding heterogeneity in a population. This article provides a pedagogical introduction to LCA modeling and provides an example of its use to understand youths' daily coping strategies. The analytic procedures are outlined for choosing the number of classes and integration of…

This study had three primary goals: to explore the relationship between narcissism, participant roles, and aggression; to examine the role of gender as a moderating influence on narcissism-based aggression; and to examine how these variables work together to influence aggressive outcomes in a sample of aggressive middle and high school students.…