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      The role of the bifactor model in resolving dimensionality issues in health outcomes measures.

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          Abstract

          We propose the application of a bifactor model for exploring the dimensional structure of an item response matrix, and for handling multidimensionality.

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          Author and article information

          Journal
          Qual Life Res
          Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation
          Springer Science and Business Media LLC
          0962-9343
          0962-9343
          2007
          : 16 Suppl 1
          Affiliations
          [1 ] Department of Psychology, University of California, Franz Hall, Los Angeles, CA 90095-1563, USA. reise@psych.ucla.edu
          Article
          10.1007/s11136-007-9183-7
          17479357
          347128ee-2c47-4017-87a3-ba7d4dbfa551
          History

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