Archives of Physical Medicine and Rehabilitation
Volume 87, Issue 9 , Pages 1223-1229 , September 2006

Measurement Precision and Efficiency of Multidimensional Computer Adaptive Testing of Physical Functioning Using the Pediatric Evaluation of Disability Inventory

  • Stephen M. Haley, PhD, PT

      Affiliations

    • Health and Disability Research Institute, Boston University, Boston, MA
    • Corresponding Author InformationReprint requests to Stephen M. Haley, PhD, PT, Health and Disability Research Institute, Boston University, 53 Bay State Rd, Boston, MA 02215
    • ,
  • Pengsheng Ni, MD, MPH

      Affiliations

    • Health and Disability Research Institute, Boston University, Boston, MA
    • ,
  • Larry H. Ludlow, PhD

      Affiliations

    • Educational Research, Measurement and Evaluation Department, Lynch School of Education, Boston College, Boston MA
    • ,
  • Maria A. Fragala-Pinkham, MS, PT

      Affiliations

    • Research Center for Children with Special Health Care Needs, Franciscan Hospital for Children, Boston, MA

  • Image Result

    Schematic of sampling design.

    Schematic of sampling design.

  • Image Result

    PEDI self-care domain. Correlations of self-care CATs (unidimensional, multidimensional) and random person scores as compared with unidimensional full item set (left axis) and multidimensional full it

    PEDI self-care domain. Correlations of self-care CATs (unidimensional, multidimensional) and random person scores as compared with unidimensional full item set (left axis) and multidimensional full item set (right axis) as a function of number of items administered.

  • Image Result
    PEDI mobility domain. Correlations of mobility CATs (unidimensional, multidimensional) and random person scores as compared with unidimensional full item set (left axis) and multidimensional full item

    PEDI mobility domain. Correlations of mobility CATs (unidimensional, multidimensional) and random person scores as compared with unidimensional full item set (left axis) and multidimensional full item set (right axis) as a function of number of items administered.

  • Image Result
    PEDI self-care domain. Average self-care SEs for unidimensional and multidimensional CAT models and corresponding random items selection models as a function of items administered.

    PEDI self-care domain. Average self-care SEs for unidimensional and multidimensional CAT models and corresponding random items selection models as a function of items administered.

  • Image Result
    PEDI mobility domain. Average mobility SEs for unidimensional and multidimensional CAT models and corresponding random items selection models as a function of items administered.

    PEDI mobility domain. Average mobility SEs for unidimensional and multidimensional CAT models and corresponding random items selection models as a function of items administered.

 Supported by the National Institute for Child Health and Development, National Institutes of Health (independent scientist award no. K02 HD45354-01) and Genzyme Corporation.A commercial party having a direct financial interest in the results of the research supporting this article has conferred or will confer a financial benefit upon the author or 1 or more of the authors. Haley has a stock interest in CRE Care LLC, which distributes the Pediatric Evaluation of Disability Inventory products.

PII: S0003-9993(06)00470-9

doi: 10.1016/j.apmr.2006.05.018

Archives of Physical Medicine and Rehabilitation
Volume 87, Issue 9 , Pages 1223-1229 , September 2006

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