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Cress, Pamela J.; And Others – Journal of Special Education Technology, 1982
The Parsons Visual Acuity Test (PVAT) described in the article has been developed for use with difficult-to-test individuals previously labeled untestable. The studies reported support use of the PVAT as an alternative screening procedure for identifying difficult-to-test persons who are in need of a professional eye examination. (Author/CL)
Descriptors: Elementary Secondary Education, Screening Tests, Severe Disabilities, Test Validity