An easy-to-use objective method for evaluating a blind person's knowledge about the spatial layout of a locale is presented in this article. Ten adventitiously blind adults made judgments about the relative distance between landmarks. These data were analyzed with multidimensional scaling procedures. Preliminary evidence indicates that the representations of spatial knowledge generated from the scaling procedures are related to the persons mobility performance in that space. Strengths and weaknesses and needed additional studies on the validity of the method are discussed.
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Lockman et al. (1981) studied this question.
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