The Development of a Reduced-Item Structured Inventory of Malingered Symptomatology (SIMS)

Effort assessment is a relevant area in neuropsychological assessment. There are well-established self-report measures, such as the Minnesota Multiphasic Personality Inventory-2 (MMPI-2) FBS Symptom Validity Scale (FBS; Lees-Haley, English & Glenn, Psychological Reports 68: 203-210, 1991 ) and M...

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Bibliographic Details
Published in:Psychological injury and law 2015-06, Vol.8 (2), p.95-99
Main Authors: Malcore, Sylvia A., Schutte, Christian, Van Dyke, Sarah A., Axelrod, Bradley N.
Format: Article
Language:English
Subjects:
Behavioral Science and Psychology
Clinical Psychology
Discrimination
Emotional disorders
Exaggeration
Gervais, Ben
Head injuries
Intelligence
Law and Psychology
Measures
Memory
Minnesota Multiphasic Personality Inventory
Morality
Neuropsychological assessment
Neuropsychology
Post traumatic stress disorder
Psychiatry
Psychology
Psychopathology
Psychosis
Quantitative psychology
Response bias
Self report
Validity
Validity scales
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Summary:Effort assessment is a relevant area in neuropsychological assessment. There are well-established self-report measures, such as the Minnesota Multiphasic Personality Inventory-2 (MMPI-2) FBS Symptom Validity Scale (FBS; Lees-Haley, English & Glenn, Psychological Reports 68: 203-210, 1991 ) and MMPI-2 Response Bias Scale (RBS; Gervais, Ben-Porath, Wygant & Green, Assessment 14: 196, 2007 ). However, there is also a need for brief measures of symptom exaggeration. The Structured Inventory of Malingered Symptomatology (SIMS) appears to be a promising self-report measure of symptom validity (e.g., Smith & Burger, Academy of Psychiatry and the Law 25: 183-189, 1997 ). In order to understand the psychometric properties of the SIMS, a comprehensive item analysis was performed with the questionnaire. Items were removed due to invariable response or lack of relationship with the total SIMS. Receiver operating characteristics (ROC) curve analyses were completed using RBS and FBS Symptom Validity Scale (FBS) of the MMPI-2 with items grouping from the SIMS indices. The results found that limiting the number of items did not affect overall utility. The abbreviated indices on the SIMS had excellent discrimination with the neurologic impairment (NI) and affective disorder (AF) scales and good discrimination with psychosis (P) and amnesic disorder (AM) scales of the SIMS. The briefer measure allows for less time required to administer the measure, while still maintaining the integrity of the SIMS.
ISSN:1938-971X
1938-9728
DOI:10.1007/s12207-015-9214-6