Development and Validation of the False Disorder Score: The Focal Scale of the Inventory of Problems.

Document Type

Article

Publication Date

11-1-2019

Publication Title

Journal of personality assessment

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

Department

Behavioral Health

Department

Rehabilitation

Share

COinS