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Clin Neuropsychol. 2001 Dec;15(4):461-70.

Classification accuracy of the portland digit recognition test in traumatic brain injury.

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  • 1Department of Psychology, University of New Orleans-Lakefront, LA 70148, USA.

Abstract

This study examined the classification accuracy of the Portland Digit Recognition Test (PDRT) in traumatic brain injury (TBI). It differs from past studies in assigning patients to malingering and control groups on the basis of compensation-seeking status and the presence of external markers for malingering. Sensitivity and Specificity were.77 and 1.00, respectively. Past research comparing compensation-seekers to noncompensation-seekers reported Sensitivities of.33 or lower (Specificity is always high). This study demonstrates that past research has seriously underestimated the Sensitivity of the PDRT and raises questions about the true Sensitivity of other malingering techniques as well.

PMID:
11935447
DOI:
10.1076/clin.15.4.461.1890
[PubMed - indexed for MEDLINE]
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