Project START – Short Term at Release Tagging

Randomised Control Trial Status


Trial Hypothesis

​Short term tagging of custody releases causes a reduction in subsequent offending compared with those not receiving a tag.

Geographical area

Across the whole of Hampshire and the Isle of Wight

Research Institution / Organisation

University of Cambridge

In Collaboration With

Hampshire Constabulary and the Office of the Police and Crime Commissioner for Hampshire

Contact Name

Supt Paul Bartolomeo

Project Start Date

May 2013

Participants - inclusion criteria

Detained in HMP Winchester
Released to an address in Hampshire or the Isle of Wight
Over 18 and male
Not on court order or bail
Not on home detention curfew
Not a MAPPA subject
Not previously been tagged under this scheme
Offender consents to being tagged

Target Sample Size

250 across both the treatment and control group

Study Design

​Randomised control trial, using a web based randomiser, to separate one treatment group receiving a tag and one control group not receiving one.  One treatment (the wearing of the tag) both groups volunteers, detailed eligibility criteria.


​No additional interventions other than routine support by IOM officers and staff across the whole sample.

Date last updated

Thursday 11 October 2018
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