Evaluating measurement equivalence using the item response theory log-likelihood ratio (IRTLR) method to assess differential item functioning (DIF): applications (with illustrations) to measures of physical functioning ability and general distress

Author: Teresi Jeanne   Ocepek-Welikson Katja   Kleinman Marjorie   Cook Karon   Crane Paul   Gibbons Laura   Morales Leo   Orlando-Edelen Maria   Cella David  

Publisher: Springer Publishing Company

ISSN: 0962-9343

Source: Quality of Life Research, Vol.16, Iss.1, 2007-08, pp. : 43-68

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