Abstract
Abstract The Wechsler Memory Scale-Revised (Wechsler, 1987) was elaborated by adding 20 recognition items for Logical Memory (LM) and by adding recognition, matching, and copy trials for Visual Reproductions (VR). Reliability was very good for VR copy (α = .77, interrater agreement, 100% within 1 point). Reliability was modest for LM recognition (α = .42) and for VR recognition (α = .58), but reasonable given the small number of items on each measure. The reliability coefficient was very weak for VR matching (a = .10), limited considerably by the ease of the task for this healthy sample and by the small number of items. After statistically correcting for imperfect reliability, validity coefficients (correlations with similar tests that are well standardized) were good for all of the new trials (r = .60 to r = 1.00). Age- and education-appropriate reference data are provided using 81 healthy adults. Further validation using theoretically and clinically meaningful patient groups would be very valuable. In the meantime, the new trials should serve the clinician well as screening tools.
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