Related Experiment Videos
Renorming Russell's version of the Wechsler Memory Scale
1Veterans Administration Medical Center, Miami, FL 33125.
Journal of Clinical and Experimental Neuropsychology
|March 1, 1988
Summary
This study renorms the Wechsler Memory Scale's Logical Memory Scales, correcting outdated norms that were too high. New age/education corrections improve accuracy for memory test assessments.
Area of Science:
- Neuropsychology
- Psychometrics
Background:
- Previous research indicated that Russell's Wechsler Memory Scale Logical Memory Scales were normed too high.
- This necessitated a renorming effort to ensure accurate cognitive assessments.
Purpose of the Study:
- To develop new scale scores and age/education corrections for the Wechsler Memory Scale Logical Memory Scales.
- To address the overestimation of abilities indicated by the previous norms.
Main Methods:
- A novel "reference scale norming" method was employed.
- Z scores from 12 tests in the Rennick version of the Halstead-Reitan Battery were averaged to create a reference scale.
- New scale scores for memory tests were derived from this established reference scale.
Main Results:
- The study confirmed that the original Logical Memory Scale norms were indeed set too high.
- New, corrected scale scores and age/education corrections were successfully developed.
Conclusions:
- The renorming successfully corrected the overestimation issues present in the earlier Logical Memory Scale norms.
- The updated norms provide a more accurate measure of memory function, particularly concerning age and education adjustments.