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Concurrent and construct validity of the Pediatric Evaluation of Disability Inventory
A B Feldman1, S M Haley, J Coryell
1Children's Hospital of Los Angeles, CA 90054-0700.
Physical Therapy
|October 1, 1990
Summary
The Pediatric Evaluation of Disability Inventory (PEDI) pilot version shows strong validity for assessing disabled children. This functional assessment tool accurately measures skill level, caregiver assistance, and adaptive equipment use.
Area of Science:
- Pediatric physical therapy
- Child development assessment
- Rehabilitation medicine
Background:
- The Pediatric Evaluation of Disability Inventory (PEDI) is a new functional assessment tool.
- It evaluates disabled children aged 6 months to 7 years.
- The PEDI assesses functional skill level, caregiver assistance, and adaptive equipment use.
Purpose of the Study:
- To determine the validity of the PEDI Development Edition (pilot version).
- To compare the PEDI with the Battelle Developmental Inventory Screening Test (BDIST).
Main Methods:
- Administered the PEDI as a parental-report questionnaire.
- Compared PEDI results with BDIST data.
- Included 20 disabled children (arthritis, spina bifida) and 20 matched nondisabled children.
Main Results:
- Moderately high correlations (r = .70-.80) between BDIST and PEDI scores supported concurrent validity.
- Significant differences in PEDI scores between disabled and nondisabled groups supported construct validity.
- PEDI scores were better discriminators of group status than BDIST scores.
Conclusions:
- The PEDI Developmental Edition is validated.
- Further development and standardization of the final PEDI version are supported.
- The PEDI's utility in pediatric physical therapy practice is discussed.