Because most testing of blind persons is now done on a one-to-one basis, the problems involved in the more efficient group testing of the blind were investigated. Two main problems were isolated—presentation of the test items and recording of the answers by the subjects. A solution, involving verbal presentation via prerecorded cassette tapes and a specially designed tactual answer board, was devised and tested experimentally. It was found that testing in this manner yields results that are not significantly different from those obtained via visual test-taking.
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