Abstract
Gordon Diagnostic System (GDS) data were analyzed for 165 referred children with ADHD combined type and 46 referred children without ADHD, 6-16 years of age. Results showed significant differences between children with and without ADHD on the GDS standard scores and the IQ-GDS differences scores. Using a GDS composite standard score of 13 points or more below IQ to classify children as having ADHD resulted in the highest diagnostic accuracy (86%), with positive predictive power equal to 91%, and negative predictive power 67%. Results for the GDS compared favorably with those reported for other continuous performance tests. The findings lend support to the GDS as a clinically useful component of an ADHD evaluation.
Original language | English (US) |
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Pages (from-to) | 32-41 |
Number of pages | 10 |
Journal | Child Neuropsychology |
Volume | 7 |
Issue number | 1 |
DOIs | |
State | Published - 2001 |
All Science Journal Classification (ASJC) codes
- Neuropsychology and Physiological Psychology
- Developmental and Educational Psychology
- Pediatrics, Perinatology, and Child Health