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Violence Risk Scale (VRS)

The VRS is theory- based and uses static and dynamic variables to assess risk and predict recidivism. Dynamic variables linked to violence are targets for violence reduction treatment. The VRS can be used both to assess an individual’s presenting risk and, for someone in treatment, a modified Stages of Change model is used to evaluate the individual’s treatment readiness and treatment change. The design of the VRS can help maintain structure and quantitative rigor in forensic risk assessment and treatment. Research evidence provides sound support for the psychometric properties of the VRS (please see VRS References link below).


Additional VRS information is also available at the following links:

  

     Violence Risk Scale (VRS), Second Edition


     Violence Risk Scale (VRS) Score Sheet, Second Edition


     VRS WORKBOOK


     VRS User Guidelines
 

     VRS/VRP References

   

     Violence Risk Scale (VRS) Score Sheet 


     Offense Analogue/Offence Replacement (OAB/ORB) Guide


We have also developed the Offense Analogue/Offence Replacement (OAB/ORB) Guide , a tool that complements that VRS.  The OAB/ORB Guide is designed to assess offence-related and/or offence-reduction behaviours within controlled environments such as prisons or forensic facilities, where strong sanctions can inhibit the expression of offence-linked behaviours otherwise observable in community settings. The OAB/ORB Guide assists treatment and correctional staff collectively focus attention on relevant characteristics and behaviours idiosyncratically linked to offending, well as to identify behaviours that are risk-reducing in nature. 


Also see:  Gordon, A. & Wong, S. (2015) The use of a structured guide to assess proxies of offending behaviours and change in custodial settings. The Journal of Forensic Practice, Vol. 17 Issue: 2, pp.83-100, https://doi.org/10.1108/JFP-10-2013-0048  

VRS Calculator

VRS Calculator Instructions

  

Computation of General and Violent Recidivism Risk using the VRS Calculator.

The VRS Calculator was developed to compute the predicted rates of general and violent recidivism of forensic service users after a 3- and 5-year follow-up in the community based on results of logistic regression modeling using VRS pre-treatment and change scores (see Olver et al., 2022).  The calculator requires input of a VRS pre-treatment or T1 total score, and if the individual has participated in risk reduction treatment and re-assessed at post-treatment or T2, a VRS change score is inputted to compute predicted general and violent recidivism rates (see further instructions in the VRS Workbook). 

VRS Calculator -2023 (xls)Download

Other Information

 We have also developed the following assessment measures: 

  • The Violence Risk Scale: Screening Version - VRS-SV   

               Brief Introduction -- (under development) 

      

  • The Violence Risk Scale: Youth Version - VRS-YV

               Brief Introduction -- (under development)


VRS Purchase & Training Information: 

To obtain VRS purchase and training information, please refer to the corresponding Purchase and Training Information tabs.


For further information concerning the VRS, VRS-SV or VRS-YV, please contact audrey.gordon@outlook.com or s.wong@sasktel.net 


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