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Possible artifacts in memory assessment with the Wechsler Memory Scale-III.

E R Sinnett¹, M C Holen

¹Kansas State University College of Education, USA.

Psychological Reports

|August 18, 2001

Summary

Scores on the Wechsler Memory Scale-III can be affected by factors beyond memory, such as random answering or malingering. Understanding these influences is crucial for accurate interpretation of memory assessment results.

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Area of Science:

Neuropsychological assessment
Cognitive psychology

Background:

The Wechsler Memory Scale-III is a widely used tool for assessing memory functioning.
Subtest scores can be influenced by non-memory related factors, potentially confounding interpretation.

Purpose of the Study:

To highlight the impact of confounding variables on Wechsler Memory Scale-III performance.
To provide guidelines for interpreting scores considering random answering, malingering, and response sets.

Main Methods:

Analysis of subtest score variability.
Development of chance performance guidelines.
Inclusion of clinical assessment examples.

Main Results:

Identified specific subtests susceptible to random answering and malingering.
Presented guidelines to differentiate valid memory variance from confounding influences.
Demonstrated practical application through case examples.

Conclusions:

Clinicians, researchers, and forensic psychologists must account for non-memory factors when interpreting Wechsler Memory Scale-III results.
Utilizing chance performance guidelines aids in more accurate assessment and diagnosis.