Reliability Estimates for Multilevel Designs in Group Research

Joseph A. Bonito, Erin K. Ruppel, Joann Keyton

Research output: Contribution to journalArticle

19 Scopus citations

Abstract

Items that capture group members' outcomes from small group processes (e.g., satisfaction, cohesion) are often nonindependent. A primary assumption of most measurement models is that the data are independent; applying such models to group-outcome data measured at the individual level of analysis is thus likely to produce inaccurate estimates. A solution to the measurement of nonindependent data involves the use of multilevel modeling to estimate variances at item, individual, and group levels of analysis. Examples from several different statistics programs are provided, and Monte Carlo simulations are used to evaluate the effects of group size and number of items on reliability estimates.

Original languageEnglish (US)
Pages (from-to)443-467
Number of pages25
JournalSmall Group Research
Volume43
Issue number4
DOIs
StatePublished - Aug 1 2012

Keywords

  • group outcomes
  • multilevel modeling
  • reliability estimates

ASJC Scopus subject areas

  • Social Psychology
  • Applied Psychology

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