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Thirty adult mass murderers and 34 adolescent mass murderers in North America are compared on both offender and offense variables to delineate similarities and differences. Findings indicate a plethora of psychiatric disturbances and odd/reclusive and acting-out personality traits. Predisposing factors include a fascination with weapons and war among many(More)
Impulsivity is a fundamental component of psychopathology and an essential trait to consider when working with forensic populations. Nevertheless, impulsivity has not been widely studied in psychiatric forensic patients. The current study evaluated the use of a self-report measure of impulsivity, the Barratt Impulsiveness Scale (BIS-11), in a sample of 425(More)
OBJECTIVE The authors conducted a descriptive, archival study of adolescent (< or =19 years of age) mass murderers-subjects who intentionally killed three or more victims in one event-to identify demographic, clinical, and forensic characteristics. METHOD A nonrandom sample of convenience of adolescent mass murderers was utilized. RESULTS Thirty-four(More)
INTRODUCTION The goal of the study was to understand what characteristics of the provider and recipient of psychiatric care on inpatient civil and forensic units impact satisfaction ratings. Specifically, we explored how demographic variables (age, race), psychiatric diagnosis (psychotic, affective, substance-related), and patients' interactions with staff(More)
The present study reports on the development of a measure designed to assess satisfaction with service among civil and forensic psychiatric inpatients. Survey items drawn from a review of existing measures were administered to 427 forensic and 416 civil male psychiatric inpatients. In an effort to develop a reliable and valid measure, a rigorous test(More)
The goal of this investigation was the development of an inconsistency scale (ICN-SF) for the personality assessment inventory-short form (PAI-SF). In Study 1, 503 inpatient profiles were randomly assigned to a derivation or cross-validation sample. Ten correlated item pairs were identified using the derivation sample and placed on the ICN-SF. Psychometric(More)
Few studies have assessed the psychometric properties of the Personality Assessment Inventory short-form (PAI-SF) clinical scales, and none have conducted these evaluations using participants from psychiatric inpatient units. The present study evaluated item-level tests of scaling assumptions of the PAI-SF using a large (N=503) clinical sample of(More)
The heterogeneity of violent behavior is often overlooked in risk assessment despite its importance in the management and treatment of psychiatric and forensic patients. In this study, items from the Personality Assessment Inventory (PAI) were first evaluated and rated by experts in terms of how well they assessed personality features associated with(More)
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