The Sex Offender Need Assessment Rating (SONAR)
Subtitle: a method for measuring change in risk levels
By:  by R. Karl Hanson & Andrew Harris.
Contributors: Harris, Andrew, 1957-; Canada. Solicitor General Canada.
Series: User report -- 2000-1
Publisher: Solicitor General Canada
Published: 2000
Place of publication: Ottawa
Language: eng
Number of pages: 23
Subjects: Sex crimes -- Forecasting.; Recidivism -- Forecasting.; Risk assessment.
Other titles: SONAR
Notes: JS42-88/1999E

Includes bibliographical references (p. 15-18).