Psychometric Models of Small Group Collaborations

Research output: Contribution to journalArticlepeer-review


The social combination theory of group problem solving is used to extend existing psychometric models to collaborative settings. A model for pairwise group work is proposed, the implications of the model for assessment design are considered, and its estimation is addressed. The results are illustrated with an empirical example in which dyads work together on a twelfth-grade level mathematics assessment. In conclusion, attention is given to avenues of research that seem most fruitful for advancing current initiatives concerning the assessment of collaboration, teamwork, and related constructs.

Original languageEnglish (US)
Pages (from-to)941-962
Number of pages22
Issue number4
StatePublished - Dec 1 2018


  • group work
  • item response theory
  • process loss
  • social combination theory
  • synergy

ASJC Scopus subject areas

  • General Psychology
  • Applied Mathematics


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