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Details
Purpose
Identifies factors related to offender risk, treatment need, and management
Authors
Holly A. Miller, PhD
Administration Formats
Additional Details
Identify Offender Risk, Treatment Needs and Individual Strengths
Written at a 3rd-grade reading level, the IORNS is a 130-item self-report measure that assesses static risk, dynamic risk/need, and protective strength factors as they relate to recidivism, treatment need, and management.
Features and benefits
- Consists of four indexes, eight scales, 14 subscales, and two validity scales.
- T scores, percentiles, confidence intervals, and qualitative classifications are provided for the normative samples.
- Can be administered and scored by persons who do not have training in forensic or clinical psychology or psychiatry, with supervision and interpretation by a licensed or certified professional.
- Standardized and validated with offenders (men ages 18-75 years and women ages 18-60 years); offender samples included incarcerated and probated general and sexual offenders.
- Community adult/college normative sample (men and women ages 18-75 years) approximates 2003 U.S. Census proportions for race/ethnicity and educational status.
- Demonstrates significant correlations with self-reported criminal history variables, including number of nonviolent and violent crimes and number of times in jail/prison among male and female offenders.
- Significantly related to self-reported criminal, familial, and substance use history variables (e.g., past physical and sexual abuse) among female offenders.
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