Research and analysis

The Structural Properties of the Extremism Risk Guidelines (ERG22+): a structured formulation tool for extremist offenders

This study explores the structural properties of the ERG22+ formulation tool (Her Majesty’s Prison and Probation Service, 2011) which is used in the management of extremist offenders by the criminal justice system of England and Wales.

• From: Ministry of Justice
• Published: 12 July 2019

Documents

The Structural Properties of the Extremism Risk Guidelines (ERG22+): a structured formulation tool for extremist offenders

PDF, 641 KB, 20 pages

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Details

This study explores the structural properties of the ERG22+ formulation tool (Her Majesty’s Prison and Probation Service, 2011).

The formulation tool is made up of 22 factors organised into three domains; Engagement, Intent and Capability. Multidimensional scaling analysis was carried out to identify any potential underlying structures which may inform the development of the tool. The internal consistency reliability of the ERG22+ was examined using Cronbach’s alpha.

Published 12 July 2019