On the necessity to use person-specific data analysis approaches in psychology

Peter C.M. Molenaar

Research output: Contribution to journalArticlepeer-review

48 Scopus citations


It is explained, both by considering earlier theoretical discussions as well as by providing analytic proof, why it is important to base analyses of developmental processes on intra-individual variation (replicated time series analysis) instead of on inter-individual variation. It is often found that replicated time series analysis yields different (person-specific) dynamic model structures across replications. A new powerful approach is presented that enables the identification of a valid common (nomothetic) dynamic model if individual replications yield person-specific dynamic model structures.

Original languageEnglish (US)
Pages (from-to)29-39
Number of pages11
JournalEuropean Journal of Developmental Psychology
Issue number1
StatePublished - Jan 2013

All Science Journal Classification (ASJC) codes

  • Developmental and Educational Psychology
  • Social Psychology


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