Intercept centering and time coding in latent difference score models

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

Latent difference score (LDS) models combine benefits derived from autoregressive and latent growth curve models allowing for time-dependent influences and systematic change. The specification and descriptions of LDS models include an initial level of ability or trait plus an accumulation of changes. A limitation of this specification is that the intercept is always located at the beginning of the process or observation period. In this article, LDS models are reformulated to allow the intercept to be centered at any time point. Additionally, I describe how the constant change factor can be rescaled to alter its interpretation.

Original languageEnglish (US)
Pages (from-to)137-151
Number of pages15
JournalStructural Equation Modeling
Volume19
Issue number1
DOIs
StatePublished - Sep 6 2012
Externally publishedYes

Keywords

  • Centering
  • Change
  • Growth
  • Latent difference score
  • Scaling

ASJC Scopus subject areas

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

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