Effectiveness of the ‘ISD-maatregel’ (a custodial order for high frequent offenders)

Effectiveness of the ‘ISD-maatregel’ (a custodial order for high frequent offenders)

2nd replication (full text only available in Dutch)


In the Netherlands, it has been possible since October 2004 to issue a custodial order for high frequent frequent offenders, referred to in Dutch as an ISD-maatregel (i.e. ‘institution for high frequent offenders’). This measure is intended for adult high frequent offenders, typically of more minor crimes, for whom the standard penalties such as brief custodial sentences have proven ineffective. The Research and Documentation Centre (WODC) has twice previously evaluated the ‘ISD-maatregel’ in terms of their effectiveness on recidivism (in terms of reconviction) following release and the incarceration effect (also known as the incapacitation effect).
This study involves the replication of a number of extensions on the previous impact studies (see: links). Research topics include the recidivism of new cohorts leaving custody in 2011-2014, while methodological innovations have been implemented to combat potential bias in the estimates and the correlation between forensic care and recidivism will be assessed. Also considered was whether it is possible to determine the impact of an ‘ISD-maatregel’ for high frequent offenders on rehabilitation aspects.

Publication data

Tollenaar, N., Beerthuizen, M.G.C.J., Drieschner, K.H., Laan, A.M. van der
Place of publication:
The Hague
Year of publication:
Cahiers 2019-19

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Voor een electronische versie - zie: bijlagen (rechtsboven) (only available as pdf)

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