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

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Presentation on theme: "Measurement Precision and Efficiency of Multidimensional Computer Adaptive Testing of Physical Functioning Using the Pediatric Evaluation of Disability."— Presentation transcript:

1 Measurement Precision and Efficiency of Multidimensional Computer Adaptive Testing of Physical Functioning Using the Pediatric Evaluation of Disability Inventory  Stephen M. Haley, PhD, PT, Pengsheng Ni, MD, MPH, Larry H. Ludlow, PhD, Maria A. Fragala-Pinkham, MS, PT  Archives of Physical Medicine and Rehabilitation  Volume 87, Issue 9, Pages (September 2006) DOI: /j.apmr Copyright © 2006 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

2 Fig 1 Schematic of sampling design.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2006 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

3 Fig 2 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. Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2006 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

4 Fig 3 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. Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2006 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

5 Fig 4 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. Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2006 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

6 Fig 5 PEDI mobility domain. Average mobility SEs for unidimensional and multidimensional CAT models and corresponding random items selection models as a function of items administered. Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2006 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions


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