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Composing Group-Level Constructs From Individual-Level Survey Data

Erasmus University Rotterdam and Radboud University Nijmegen, vanmierlo{at}fsw.eur.nl

Jeroen K. Vermunt

Tilburg University

Christel G. Rutte

Eindhoven University of Technology

Group-level constructs are often derived from individual-level data. This procedure requires a composition model, specifying how the lower level data can be combined to compose the higher level construct. Two common composition methods are direct consensus composition, where items refer to the individual, and referent-shift consensus composition, where items refer to the group. The use and selection of composition methods is subject to a number of problems, calling for more systematic work on the empirical properties of and distinction between constructs composed by different methods. To facilitate and encourage such work, the authors present a methodological framework for addressing the distinction between and the baseline psychometric quality of composed group constructs, illustrated by an empirical example in the group job-design domain. The framework primarily represents a developmental tool with applications in multilevel theory building and scale construction, but also in meta-analysis or secondary analysis, and more general, the validation of group constructs.

Key Words: aggregation • composition models • measuring group constructs

This version was published on April 1, 2009

Organizational Research Methods, Vol. 12, No. 2, 368-392 (2009)
DOI: 10.1177/1094428107309322


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