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Gumpel, Thomas; Wilson, Mark; Shalev, Ruth – Journal of Learning Disabilities, 1998
A study involving 453 pairs of Israeli parents and teachers used an item response theory measurement model(IRT) to examine the 28-item Conners Teacher's Rating Scale (CTRS) for diagnosing attention deficit hyperactivity disorder. IRT analyses revealed structural inadequacies involving the inappropriateness of the 4-point Likert-type scale used by…
Descriptors: Attention Deficit Disorders, Behavior Rating Scales, Clinical Diagnosis, Disability Identification