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Updated: Aug 10, 2026

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Measurement of Vibration Detection Threshold and Tactile Spatial Acuity in Human Subjects
Published on: September 1, 2016
Item difficulty of the tactual performance test location score
1MH Group/Mental Health, Department of Veterans Affairs, VA Long Beach Healthcare System, CA 90822, USA.
Perceptual and Motor Skills
|January 25, 2002
Abstract:
The item difficulty and discrimination index values for the Tactual Performance Test Location scores are presented. The difference between this and the previous item analysis of the Location score is that in this analysis the subjects' Location scores were used only if the subject correctly remembered the block.

