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Risk Matrix 2000

Of the various approaches used in sexual offender risk assessment (unstructured clinical judgment, actuarial risk assessment instruments [ARAIs], and structured professional judgment), ARAIs outperform all other methodologies. Of the numerous sexual offender ARAIs currently available, the Risk Matrix 2000 (RM2000) is one of the most widely used and researched and is the focus of this entry.

Description

The RM2000 is probably the most frequently used second-generation ARAIs in the United Kingdom. In developing the scale, researchers created a two-dimensional risk assessment system for sex offenders referred to collectively as RM2000. The revised system has two scales, one for measuring risk of sexual recidivism—Risk Matrix 2000/Sexual (RM2000/S)—and one for measuring risk of nonsexual violent recidivism—Risk Matrix 2000/Violent (RM2000/V) in sexual offenders.

The RM2000/S and RM2000/V scales were constructed to ...

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