Students with dyslexia demonstrate reading difficulty in early literacy skills (e.g., phonemic awareness, word recognition, decoding), and administering screeners is a necessary step to implement effective intervention. There are several commonly used reading screeners, but the decision accuracy and predictive value between them varies. In the…

Many states now mandate early screening for dyslexia, but vary in how they address these mandates. There is confusion about the nature of screening versus diagnostic assessments, risk versus diagnosis, concurrent versus predictive validity, and inattention to indices of classification accuracy as the basis for determining risk. To help define what…

Reanalysis of data derived from a meta-analysis of the Wechsler Intelligence Scale for Children-Revised, using a learning disability index derived from a principal-components analysis, found that the test discriminated reliably between 9,372 learning-disabled children and their non-disabled peers. (Author/CB)