Issues in Intraindividual Variability: Individual Differences in Equilibria and Dynamics Over Multiple Time Scales

Steven M. Boker, Peter C.M. Molenaar, John R. Nesselroade

Research output: Contribution to journalArticlepeer-review

48 Scopus citations

Abstract

This article addresses three issues germane to experimental design and statistical analysis of intraindividual variability such as the articles contained within this special section. First, the time scale of the measurement of a process can have profound effects on the outcome of analyses of the resulting time series. Measurement in time poses special problems in the design of experiments: the time scale of the measurements must be appropriate for the time scale of the process. Second, deterministic and stochastic models should be fit at the individual level and only at a second level should individual differences in parameters be modeled. Third, one must consider the possibility that nomothetic relations may be exposed by the invariance of covariance between latent variables rather than within a factor analytic measurement model.

Original languageEnglish (US)
Pages (from-to)858-862
Number of pages5
JournalPsychology and aging
Volume24
Issue number4
DOIs
StatePublished - Dec 2009

All Science Journal Classification (ASJC) codes

  • Social Psychology
  • Aging
  • Geriatrics and Gerontology

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