Investigation of mediational processes using parallel process latent growth curve modeling

JeeWon Cheong, David Mackinnon, Siek Toon Khoo

Research output: Contribution to journalArticlepeer-review

333 Scopus citations


This study investigated a method to evaluate mediational processes using latent growth curve modeling. The mediator and the outcome measured across multiple time points were viewed as 2 separate parallel processes. The mediational process was defined as the independent variable influencing the growth of the mediator, which, in turn, affected the growth of the outcome. To illustrate modeling procedures, empirical data from a longitudinal drug prevention program, Adolescents Training and Learning to Avoid Steroids, were used. The program effects on the growth of the mediator and the growth of the outcome were examined first in a 2-group structural equation model. The mediational process was then modeled and tested in a parallel process latent growth curve model by relating the prevention program condition, the growth rate factor of the mediator, and the growth rate factor of the outcome.

Original languageEnglish (US)
Pages (from-to)238-262
Number of pages25
JournalStructural Equation Modeling
Issue number2
StatePublished - 2003

ASJC Scopus subject areas

  • Decision Sciences(all)
  • Modeling and Simulation
  • Sociology and Political Science
  • Economics, Econometrics and Finance(all)


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