Forensic Class 8.odt

Forensic PsychologyClass Risk AssessmentMarch 20 2012Harris G T Rice M EQuinsey V L 1993 Violent recidivism of mentally disordered offenders The development of a statistical prediction instrument Criminal Justice and Behavior 20 315335PurposeDevelop an actuarial risk assessment instrument for the prediction of violent recidivismParticipants618 male offenderspatients332 admitted for treatment to maximum security psychiatric institution286 admitted only for brief pretrial psychiatric assessmentProcedureAll predictor variables were coded retrospectively from institutional filesInterrater ReliabilityThree coders20 randomly chosen participantsReliability criterion was set at 70For the variables that met this criterion mean correlation was 90 and mean kappa was 83Violent RecidivismPostrelease offences coded from official filesAny new charge or equivalent for a Any new