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Comparison of Neuropsychological and Balance Performance Validity Testing
Patrick Armistead-Jehle1, Beth J Lange2, Paul Green3
1a Concussion Clinic, Munson Army Health Center , Fort Leavenworth , Kansas , USA.
Applied Neuropsychology. Adult
|April 15, 2016
Summary
Performance validity testing is crucial in neuropsychological and balance assessments. This study found significant correlations between cognitive and balance performance validity measures, suggesting exaggeration in one domain may indicate it in others.
Area of Science:
- Neuropsychology
- Vestibular Science
- Disability Evaluation
Background:
- Performance validity testing (PVT) is established in neuropsychological assessments.
- PVT measures are also available for balance testing, but research on their combined use is limited.
Purpose of the Study:
- To compare performance validity scores across cognitive and balance modalities.
- To investigate the relationship between cognitive and balance performance validity.
Main Methods:
- Seventy-eight subjects undergoing disability evaluations were assessed.
- The Word Memory Test (cognitive PVT) and Computerized Dynamic Posturography (balance PVT) were administered.
Main Results:
- A significant correlation was found between cognitive and balance performance validity scores (rφ = 0.35, p = 0.002).
- Agreement between the two measures was 70.5%.
Conclusions:
- Findings suggest that performance validity issues in one domain may extend to others.
- Independent evaluation of performance validity across multiple modalities is recommended.
