Analysis of the Pediatric Outcomes Data Collection Instrument in Ambulatory Children With Cerebral Palsy Using Confirmatory Factor Analysis and Item Response Theory Methods

D. Allen, Diane; E. Gorton, George; Oeffinger, Donna; Tylkowski, Chester; A. Tucker, Carole; M. Haley, Stephen

doi:10.1097/bpo.0b013e3181652185

Public

Analysis of the Pediatric Outcomes Data Collection Instrument in Ambulatory Children With Cerebral Palsy Using Confirmatory Factor Analysis and Item Response Theory Methods

Published in Journal of Pediatric Orthopaedics • Mar 1, 2008

Authors:

Diane D. Allen

George E. Gorton

Donna Oeffinger

Abstract

BACKGROUND: Traditional use of the Pediatric Outcomes Data Collection Instrument (PODCI) assumes that all items have the same structure, are measuring the intended constructs, and assess the right levels of function to show change after orthopaedic or neurological intervention. Item response theory ...

Subject

Medicine

Confirmatory factor analysis

Cerebral palsy

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