Development and Validation of the False Disorder Score: The Focal Scale of the Inventory of Problems.
Publication Title
Journal of personality assessment
Document Type
Article
Publication Date
11-1-2019
Keywords
Adult; Criminals; Female; Forensic Psychiatry; Humans; Male; Malingering; Mental Disorders; Personality Assessment; Psychometrics; Psychotic Disorders; Reproducibility of Results
Abstract
This article introduces the Inventory of Problems (IOP)-a new, computerized, 181-item tool designed to discriminate bona fide from feigned mental illness and cognitive impairment-and presents the development and validation of its focal, feigning scale, the False Disorder Score (IOP-FDS). The initial sample included (a) 211 patients and 64 offenders who took the IOP under standard conditions, and (b) 210 community volunteers and 64 offenders who feigned mental illness. We split this sample into three subsamples. The first (
Clinical Institute
Mental Health
Specialty/Research Institute
Behavioral Health
Specialty/Research Institute
Rehabilitation
