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Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)
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Developing a spatial analogue of the reliable digit span.

Shelley G Ylioja1, Anne D Baird, Kenneth Podell

  • 1Department of Psychology, University of Windsor, Windsor, ON, Canada.

Archives of Clinical Neuropsychology : the Official Journal of the National Academy of Neuropsychologists
|October 27, 2009
PubMed
Summary
This summary is machine-generated.

This study introduces the Reliable Spatial Span (RSS) to assess performance validity in patients with persistent postconcussion syndrome. RSS effectively distinguishes between valid and invalid performance, offering a reliable embedded validity indicator.

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Area of Science:

  • Neuropsychology
  • Cognitive Assessment
  • Traumatic Brain Injury

Background:

  • Performance validity assessment is crucial in neuropsychological evaluations, especially with external incentives.
  • Persistent postconcussion syndrome presents challenges in accurately assessing cognitive function due to potential validity issues.

Purpose of the Study:

  • To develop and validate an embedded performance validity measure using the Spatial Span task from the Wechsler Memory Scale-III.
  • To evaluate the efficacy of the Reliable Spatial Span (RSS) in distinguishing valid from invalid performance in litigating persistent postconcussion complainants.

Main Methods:

  • Utilized the Spatial Span task from the Wechsler Memory Scale-III.
  • Developed the Reliable Spatial Span (RSS) calculation as a performance validity measure.
  • Assessed specificity, sensitivity, and predictive power of RSS in a sample of persistent postconcussion complainants.

Main Results:

  • The Reliable Spatial Span (RSS) calculation demonstrated specificity, sensitivity, and predictive power comparable to other embedded measures.
  • RSS effectively distinguished between individuals with valid and invalid performance in the study sample.
  • Alternative Spatial Span calculations and the Reliable Digit Span (RDS) showed lower classification accuracy in this sample.

Conclusions:

  • The Reliable Spatial Span (RSS) shows promise as an embedded performance validity indicator for persistent postconcussion syndrome.
  • RSS can aid in differentiating valid from invalid performance in clinical neuropsychological assessments.
  • Further research may explore the reasons for lower-than-expected Reliable Digit Span (RDS) classification accuracy in this population.