Psychology RootsPediatric Evaluation of Disability Inventory
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About Pediatric Evaluation of Disability Inventory
Scale Name
Pediatric Evaluation of Disability Inventory – Computer Adaptive Test (PEDI-CAT)
Author Details
Haley, S. M., Coster, W. J., Dumas, H. M., Fragala-Pinkham, M. A., and Moed, R.
Translation Availability
Not Sure
Background/Description
The Pediatric Evaluation of Disability Inventory – Computer Adaptive Test (PEDI-CAT) is an advanced version of the Pediatric Evaluation of Disability Inventory (PEDI). The PEDI-CAT is designed to assess functional abilities in children and young adults from birth to 21 years. Unlike the original PEDI, which has three domains (self-care, mobility, and social function), the PEDI-CAT includes an additional domain, responsibility, to evaluate the degree of independence in daily activities.
This test is particularly useful for children with a variety of physical and developmental disabilities, providing real-time scoring and a graphic profile of functional abilities. It is administered via computer or tablet, making it an efficient and adaptive assessment tool.
Administration, Scoring and Interpretation
- Setup: The test is administered via a computer or tablet, where the initial set of responses helps determine subsequent questions using an adaptive algorithm.
- Domains: The assessment covers four domains: Daily Activities, Mobility, Social/Cognitive, and Responsibility.
- Interview: Conducted with the parent or caregiver, who answers questions based on the child’s functional abilities.
- Scoring: The responses are scored on a four-point scale, ranging from unable to perform to performing independently without difficulty.
- Adaptive Nature: The test adjusts the questions based on previous answers, minimizing the number of questions needed to accurately assess the child’s abilities.
Reliability and Validity
- PEDI-CAT demonstrates excellent test-retest reliability for all four domains, with intraclass correlation coefficients (ICCs) ranging from 0.958 to 0.997.
- Studies have shown high reliability in populations with various conditions, including autism spectrum disorders (Physio-pedia) (TX Autism).
- The PEDI-CAT shows excellent construct validity, particularly in distinguishing functional abilities among different levels of mobility and hand function.
- Correlations with other established measures, such as the Vineland Adaptive Behavior Scales, provide evidence of concurrent validity.
Available Versions
Maltiple-Items
Reference
Haley, S. M., Coster, W. J., Dumas, H. M., Fragala-Pinkham, M. A., & Moed, R. (2012). PEDI-CAT: development, standardization and administration manual. Boston: Boston University, 648-57.
Important Link
Scale File:
Frequently Asked Questions
What is the PEDI-CAT?
The Pediatric Evaluation of Disability Inventory – Computer Adaptive Test is a tool used to assess functional abilities in children and young adults from birth to 21 years across four domains: Daily Activities, Mobility, Social/Cognitive, and Responsibility.
Who can use the PEDI-CAT?
It can be used for children and young adults with various physical and developmental conditions, making it suitable for a broad range of clinical and research applications.
How is the PEDI-CAT administered?
The test is administered via a computer or tablet through an interview with the parent or caregiver, who answers questions based on the child’s functional abilities.
How long does it take to complete the PEDI-CAT?
The time varies due to the adaptive nature of the test but typically takes between 45 to 60 minutes.
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