Development of the MMPI-2 cognitive complaints scale as an embedded measure of symptom validity

Brain Injury : [BI]
George K HenryAllison Myers

Abstract

To empirically-derive a new MMPI-2 sub-scale, the 13-item Cognitive Complaints Scale (CCS), as an embedded measure of symptom validity. This study hypothesized that mild traumatic brain injured subjects with financial incentives who failed performance validity tests (PVTs) would score significantly higher on the CCS compared to mild traumatic brain injured subjects with financial incentives who passed PVTs. Mild traumatic brain injured controls with no financial incentives were predicted to score lowest on the CCS. A known groups design was utilized as this design allows for the accurate classification of criterion groups. One hundred and fifty mild head-injured adults were assigned to one of three groups: the Failed Performance Validity (FPV) group, the Passed Performance Validity (PPV) group or a control group. An ANOVA revealed that the FPV group scored significantly higher on the CCS compared to the PPV group. Controls with no financial incentives scored lowest. A CCS cut-score of ≥12 discriminated between the FPV and PPV groups at a high level of specificity (94%). A dissociation between 'performance validity' and 'symptom validity' supports recommendations for the differential application of these descriptive terms. The C...Continue Reading

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Citations

May 17, 2019·The Clinical Neuropsychologist·Owen J GaasedelenMichael R Basso
May 8, 2020·Archives of Clinical Neuropsychology : the Official Journal of the National Academy of Neuropsychologists·Elisabeth M S ShermanGrant L Iverson
Apr 9, 2021·International Journal of Legal Medicine·Merylin MonaroHelios De Rosario Martínez

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Brain Injury & Trauma

brain injury after impact to the head is due to both immediate mechanical effects and delayed responses of neural tissues.