Journal Article

The fundamental psychometric status of neuropsychological batteries

Elbert W. Russell, Sally L.K. Russell and B.D. Hill

in Archives of Clinical Neuropsychology

Published on behalf of The National Academy of Neuropsychology

Volume 20, issue 6, pages 785-794
Published in print August 2005 | ISSN: 0887-6177
Published online August 2005 | e-ISSN: 1873-5843 | DOI:
The fundamental psychometric status of neuropsychological batteries

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A fundamental requirement for neuropsychological assessment is dependability. Neuropsychological knowledge is dependable only if it has been validated using psychometric methods. Since batteries are used for interpretations, the psychometric validation methods that are acceptable for individual tests must be applied to batteries to produce dependable information. While the standardized battery has been validated, the flexible battery has not. Due to the probability that some tests will be impaired by chance, a flexible battery cannot produce dependable interpretations by selecting or combining test results. Localization and diagnostic assessments are obtained by comparisons. Comparisons require that the tests in a battery are invariant or have equivalent norms along with a common metric. While standardized batteries do meet these criteria, flexible batteries do not. Consequently, clinical judgment applied to a flexible battery cannot provide dependable knowledge beyond that which could be provided by a single validated individual test.

Keywords: Neuropsychology; Assessment; Fixed battery; Standardization; Validation; Interpretation; Clinical judgment

Journal Article.  0 words. 

Subjects: Neuroscience ; Neuropsychology

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