Testing Nonverbal Intelligence of Working-age Visually Impaired Adults: Evaluation of the Adapted Kohs Block Design Test

This article presents an initial empirical investigation of the Adapted Kohs Block Design Test with 78 working-age adults with visual impairments. The test is shown to have adequate reliability and initial concurrent validity. Construct validity within the limitations of the sample size was inconclusive, but indicated that further investigation of the test is warranted.

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