Assessment of intraindividual variability in positive and negative affect using latent state-trait model analyses

Tomoyuki Yasuda, Cathy Lawrenz, Rod Van Whitlock, Bernard Lubin, Pui Wa Lei

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

Intraindividual variability in positive and negative affect was assessed by the positive affect (Contentment, Joy, Vigor, Love, and Excitement) and negative affect (Depression, Hostility, Anxiety, Agitation, and Social Anxiety) subscales of the state version of the Comprehensive Personality and Affect Scales (COPAS) during a 3-week period. Using the latent state-trait model analysis, which takes both intraindividual variability and interindividual difference into account by controlling measurement error, it was shown that the variability could be measured reliably by the scores of the COPAS. In particular, a total of 56.9% to 63.5% and 48.2% to 60.6% of the reliable interindividual difference in positive and negative affect, respectively, was attributed to the intraindividual variability.

Original languageEnglish (US)
Pages (from-to)514-530
Number of pages17
JournalEducational and Psychological Measurement
Volume64
Issue number3
DOIs
StatePublished - Jun 2004

All Science Journal Classification (ASJC) codes

  • Education
  • Developmental and Educational Psychology
  • Applied Psychology
  • Applied Mathematics

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