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This is a manual of directions and scoring to use in giving a standardized scale of performance tests. Such a nonverbal scale is needed for cases in which the highly verbalized Binet tests are inadequate because of a foreign language handicap, speech or hearing defect or the presence of a marked irregularity in the development of verbal and nonverbal abilities. It is to be hoped that this scale will fill the need.
A Point Scale of Performance Tests. Volume I. Clinical Manual. Arch NeurPsych. 1931;25(1):226. doi:10.1001/archneurpsyc.1931.02230010238035
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