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Inventory of Offender Risk, Needs, and Strengths

Identifies areas of risk and need that may be modified through treatment and/or through more efficient supervision.
Inventory of Offender Risk, Needs, and Strengths™ (IORNS™)
Holly A. Miller, PhD
Purpose:Identify static, dynamic, and protective factors related to offender risk, treatment need, and management
Age range:18 to 75 years
Admin:Individual and group
Admin time:15-20 minutes
Scoring time:25 minutes
Qualification level:S or B
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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.

  • 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.

Item numberProduct descriptionList priceAdd to Cart
WW-5888-KTIORNS Introductory Kit
includes IORNS Professional Manual, 25 Response Forms, and 25 Scoring Summary/Profile Forms
Manuals, Books, and Equipment
Item numberProduct descriptionList priceAdd to Cart
WW-5889-TMIORNS Professional Manual$84.00
Forms and Booklets
Item numberProduct descriptionList priceAdd to Cart
WW-5890-RFIORNS Response Forms (pkg/25)$84.00
WW-5891-PFIORNS Scoring Summary/Profile Forms (pad/25)$32.00
Related Products
Psychopathic Personality Inventory™–Revised (PPI™-R)
PAI® Interpretive Report for Correctional Settings™ (PAI®-CS)
Risk-Sophistication-Treatment Inventory™ (RSTI™)

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