Using Log-Linear Models for Longitudinal Data to Test Alternative Explanations for Stage-Like Phenomena: An Example from Research on Adolescent Substance Use.

Investigates the use of log-linear models for multi-wave longitudinal data to test hypothesis relating to adolescent substance use. Involvement of an approach of square contingency tables in sociology; Presentation of stage theories and stage-like phenomena; Experimentation of substances by adolescent in a stage-like sequence.