The final report describes a project to facilitate the efficiency with which legally blind persons use their remaining vision. The project developed a diagnostic assessment procedure, a design for instruction which includes 150 sequenced lessons, and a sourcebook on low vision. The reliability and validity of the diagnostic assessment procedure…

A validation study of the vision test battery used in the Health Examination Survey of 1966-1970 was conducted among 210 youths 12-17 years-old who had been part of the larger survey. The study was designed to discover the degree of correspondence between survey test results and clinical examination by an opthalmologist in determining the…

This study assesses the validity of an interview questionnaire designed to predict performance by low-vision adults (N=41) on tasks of finding, detecting, scanning, and tracking. Subjects' ratings of difficulty with these tasks were compared to ratings of trained professionals. Results indicate self-report may be of some value in predicting…

As follow up to a study which compared forced-choice preferential looking (FPL) with pattern visual evoked potential (VEP), this study increased the VEP success rate and improved agreement between the FPL and VEP acuity estimates by using horizontal bar stimuli for young preverbal children (n=17) with nystagmus. (Author/DB)

The Perkins-Binet Test of Intelligence for the Blind, Form U; the Wechsler Intelligence Scale for Children-Revised (WISC-R), Verbal Scale; and the Wide Range Achievement Test (WRAT) were administered to 52 low-vision children in the third, fifth, seventh, and ninth grades. Results indicated that the mean ten scores on the two tests of intelligence…

The Pepper Visual Skills for Reading Test was assessed as a measure of reading ability with meaningful text in 38 adults with macular degeneration; scores were compared with assessment made using the Gray Oral Reading Test, a previously standardized assessment. The test's validity was confirmed. (Author/JDD)

Statistical analyses of scores on subtests of the Intelligence Test for Visually Impaired Children were done for two groups of children, either with or without usable vision. Results suggest that the battery has differential factorial and predictive validity. (Author/DB)

Fifty adults (ages 28-86) with macular degeneration were given the Low Vision Reading Comprehension Assessment (LVRCA) to test its reliability and validity in evaluating the reading comprehension of those with vision impairments. The LVRCA was found to take only nine minutes to administer and was a valid and reliable tool. (CR)

This article summarizes results of statistical analyses of an intelligence test for 155 braille-educated blind and low-vision children, aged 6-15, in the Netherlands. Results indicate some accuracy in predicting academic achievement; factor analysis indicates 4 interpretable factors in children with and without usable vision. (Author/PB)

The study was designed to determine the reliability and criterion validity of a psychomotor performance test (the Fine Finger Dexterity Work Task Unit) with 40 partially or totally blind adults. Reliability was established by using the test-retest method. A supervisory rating was developed and the reliability established by using the split-half…

Analysis of scores of 118 visually impaired children on the Wechsler Intelligence Scale for Children (Revised) and the Wechsler Preschool and Primary Scales of Intelligence (Revised) found a consistent response pattern suggesting that the verbal as well as the performance tests provide useful assessment information. (Author/DB)

THIS IS A METHODOLOGICAL STUDY TO DETERMINE IF RELIABLE AND VALIDLY COMPARABLE DATA CAN BE OBTAINED FROM SCALES DESIGNED FOR USE WITH HEARING IMPAIRED, VISUALLY IMPAIRED, AND NON-IMPAIRED HIGH SCHOOL STUDENTS. THE MAJOR INSTRUMENTS ASSESSED SELF CONCEPT OF ACADEMIC ABILITY. IT WAS CONCLUDED ON THE BASIS OF CROSS-VALIDATION AND OTHER ANALYTICAL…