The Sex Offender Need Assessment Rating (SONAR) was developed to fill this gap. Presently, there are no established scales that could be used to evaluate change in risk among sexual offenders. Karl Hanson, Ph.D., Corrections Research, Department of the Solicitor General Canada, 340 Laurier Avenue West, Ottawa, Ontario, Canada K1A 0P8. The views expressed are those of the authors and do not necessarily reflect the views of the Department of the Solicitor General Canada.Ĭorrespondence concerning this article should be addressed to R. The Department of the Solicitor General Canada, its employees, agents, servants and the authors neither assume nor accept any responsibility or legal liability for any injury or damages whatsoever resulting from the use of the risk assessment procedures and SONAR. Anyone choosing to use or adopt the risk assessment procedures, including SONAR in any way, does so on the sole basis of their responsibility to judge their suitability for their own specific purposes. The risk assessment procedures contained in this report, including SONAR, have been developed by the authors in the course of their duties.
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