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Percept Mot Skills. 1998 Dec;87(3 Pt 2):1203-7.

An interpretive table for the Visual Form Discrimination Test.

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  • 1Department of Rehabilitation Medicine, Thomas Jefferson University Hospital, Drexel University, Philadelphia, Pennsylvania, USA.


The capacity to analyze complex visual stimuli is susceptible to several forms of brain dysfunction. The Visual Form Discrimination test is a 16-item multiple-choice measure requiring visual discrimination and matching. Published normative observations provide frequency counts of various raw scores but lack certain critical information, e.g., standard deviations, needed for clinical interpretation of performance in individual cases. The purpose of this study was to improve the clinical utility of the test by (1) reporting the standard deviation of the normative sample and (2) using this index to create a table to foster interpretation in single cases. We provide T scores, percentile equivalents, and clinical descriptors for various raw scores, permitting clinicians to make more precise use of the Visual Form Discrimination.

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