@article{ref1,
title="What works (and what does not) in youth violence prevention: Rethinking the questions and finding new answers",
journal="New directions in evaluation",
year="2006",
author="Guerra, N. G. and Boxer, Paul and Cook, Clayton R.",
volume="2006",
number="110",
pages="59-71",
abstract="Over the past decades, public concern over youth violence has led to a proliferation of prevention programs as well as a corresponding push to identify programs that &quot;work&quot;. A more accurate understanding of effectiveness as well as failure can be found by reframing the questions to ask what works, for whom, and under what conditions.<p />",
language="",
issn="1097-6736",
doi="10.1002/ev.187",
url="http://dx.doi.org/10.1002/ev.187"
}