Growing against gangs and violence (GAGV): findings from a process and outcome evaluation

Article


Densley, J., Adler, J., Zhu, L. and Lambine, M. 2017. Growing against gangs and violence (GAGV): findings from a process and outcome evaluation. Psychology of Violence. 7 (2), pp. 242-252. https://doi.org/10.1037/vio0000054
TypeArticle
TitleGrowing against gangs and violence (GAGV): findings from a process and outcome evaluation
AuthorsDensley, J., Adler, J., Zhu, L. and Lambine, M.
Abstract

Objective: The present study assesses program efficacy of Growing Against Gangs and Violence (GAGV), a primary prevention partnership with the UK Metropolitan Police Service, delivered in London schools with the aim of reducing gang involvement, delinquency, and violent offending and improving young people’s confidence in police. GAGV is partially derived from an American program, Gangs Resistance Education and Training (GREAT).
Method: A qualitative process evaluation and randomized control trial outcomes study were undertaken.
Results: Findings indicate GAGV personnel were keen to enhance program fidelity and process implementation. The RCT did not demonstrate a statistically significant program effect. However, effect sizes indicate the program was effective in reducing levels of gang membership and the frequency and variety of delinquency and violence in the short- and longer term. More robust evidence indicated GAGV also improved students’ attitudes toward police and reduced their adherence toward street code.
Conclusions: The use of cohort- (not individual-) level data and missing data in the one-year follow-up make it difficult to draw reliable and robust conclusions. However, results are encouraging. Several recommendations are suggested for GAGV, including curriculum design, regular evaluations, and expanding to include more schools. Limitations of this and similar evaluations also are discussed.

Research GroupForensic Psychology Research group
LanguageEnglish
PublisherAmerican Psychological Association
JournalPsychology of Violence
ISSN2152-0828
Electronic2152-081X
Publication dates
Online14 Apr 2016
Print01 Apr 2017
Publication process dates
Deposited19 Feb 2016
Accepted11 Feb 2016
Output statusPublished
Accepted author manuscript
Copyright Statement

© American Psychological Association, 2016. This paper is not the copy of record and may not exactly replicate the authoritative document published in the APA journal. Please do not copy or cite without author's permission. The final article is available, upon publication, at: http://dx.doi.org/10.1037/vio0000054

Additional information

The authors are grateful for the contribution made by Dr. Miranda A. H. Horvath to the process evaluation

Digital Object Identifier (DOI)https://doi.org/10.1037/vio0000054
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