Abstract
This investigation explored the classification accuracy of Trail Making Test (TMT; Reitan Wolfson, 1992) indices for suboptimal effort in a sample of non-litigious acquired brain injury patients seeking outpatient rehabilitation. Patients who exhibited optimal effort completed TMT A and B faster than suboptimal effort patients. Although TMT A time to completion demonstrated adequate sensitivity to suboptimal effort, positive predictive value was fair to poor unless the base rate of suboptimal effort was inflated to 40%. TMT B time to completion yielded poor sensitivity and positive predictive value for suboptimal effort. While TMT A time to completion appears to have some value as a validity indicator, no TMT validity indicator should replace more precise symptom validity tests during neuropsychological assessment.
Original language | English (US) |
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Pages (from-to) | 108-118 |
Number of pages | 11 |
Journal | Clinical Neuropsychologist |
Volume | 25 |
Issue number | 1 |
DOIs | |
State | Published - Jan 2011 |
Keywords
- Suboptimal effort
- Symptom validity testing
- Trail Making Test
ASJC Scopus subject areas
- Neuropsychology and Physiological Psychology
- Developmental and Educational Psychology
- Clinical Psychology
- Arts and Humanities (miscellaneous)
- Psychiatry and Mental health