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Article
October 1954

FACTORS INVOLVED IN SEVERAL TESTS OF BINOCULAR DEPTH PERCEPTION

Author Affiliations

BALTIMORE
From the Wilmer Ophthalmological Institute of The Johns Hopkins University and Hospital.

AMA Arch Ophthalmol. 1954;52(4):524-544. doi:10.1001/archopht.1954.00920050526004
Abstract

SEVERAL previous investigations * have compared tests purporting to measure the efficiency of binocular depth perception and have attempted by statistical procedures, i.e., by techniques of correlation and, in some cases, by factor analysis, to determine the extent to which the scores agree with one another in measuring individual differences in the efficiency of depth perception. In general these studies have shown poor agreement in the measures provided by different tests, especially when subjects with subnormal visual acuity were excluded.

From a consideration of the many factors involved in the visual discrimination of differences in distance, it appears that this function is a complex one and that various tests might therefore all be valid measures of somewhat different aspects of depth perception. In the present study, several representative tests have been investigated from an analytical rather than from a statistical point of view in order to determine what particular aspects of

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