By J. Hodgkinson, et al.

Are ‘comprehensive’ interventions more effective at reducing gang related criminal activity and anti-social behaviour than usual service provision? The meta-analysis of nine studies found that, overall, the comprehensive interventions had a positive, but not statistically significant, effect in reducing crime outcomes compared to usual service provision (i.e. whatever was in place either in a comparison area or before the specific intervention).

None of the studies included in the review considered the cost-benefit of any of the interventions. This kind of information is important to facilitate a more informed decision when choosing between different strategies. Any advantage of comprehensive interventions over non-comprehensive interventions may, for example, come at a greater financial cost.

London: Institute of Education, University of London, 2009. 155p.