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Peer reviewedWalker, Deborah K.; And Others – Exceptional Children, 1988
A two-year study assessing the stability of 1,184 elementary special education students found 71 percent stayed in special education with the same classification, 12 percent remained with a different classification, and 17 percent were no longer in special education. The original primary classification was the best predictor of reclassification…
Descriptors: Disabilities, Educational Diagnosis, Elementary Education, Followup Studies
Mardell-Czudnowski, Carol; And Others – Diagnostique, 1988
The study evaluated the predictive validity of DIAL-R, which identifies children aged 2-6 with potential learning problems or giftedness. Based on longitudinal data for 312 elementary-level children, DIAL-R scores were found to have good concurrent sensitivity and specificity but did not correspond well with subsequent special education placement.…
Descriptors: Ability Identification, Diagnostic Tests, Disabilities, Educational Diagnosis
