Division on Visual Impairments

VIDBE-Q 65.3 Summer 2020

A quarterly newsletter from the Council for Exceptional Children's Division on Visual Impairments containing practitioner tips for Teachers of Students with Visual Impairments, Certified Orientation and Mobility Specialists, and other professionals.

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VIDBE-Q Volume 65 Issue 3 sighted children. These methodological constraints have resulted in the exclusion of children with VI in the population samples of these assessments, making norm- referenced comparisons inappropriate when using these measures with children with VI. Research to date has not addressed these concerns, and one result of the inadequacy of valid measurement tools is that little is known about typical developmental patterns in the VI population. A better understanding of development in this population is critical to more effective assessment and intervention methods. Towards this, the current study investigated the concurrent validity of an assessment based on auditory, rather than visual, cues. Concurrent validity is determined by comparing the results of a new test with an established assessment that is widely accepted as being valid (Miller & Lovler, 2018). If the results of a new assessment correlate with the established assessment, this suggests that the two assessments measure the same construct and will yield similar results. Therefore, this study investigates the following research question: Is there a correlation among the scores obtained from a standardized measure of speech sound production and a speech sound production assessment based on auditory cues?

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