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What strategies can be effective in reducing crime and disorder in policing? The Evidence-Based Policing Matrix is a research-to-practice translation tool that organizes moderate to very rigorous evaluations of police interventions visually, allowing agencies and researchers to view the field of research in this area. The Matrix is updated with all qualifying studies each year.

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Individuals – Esbensen (2002)

Students in Gang Resistance Education and Training (G.R.E.A.T.) program were less likely to join gangs in cross-sectional study. The longitudinal study, however, failed to find a programmatic effect.

Individuals – Esbensen et al. (2012)

Police-led programs for gang prevention aimed at reduction in gang membership, reduction in violent offending, and improved attitudes toward the police

Individuals – Harmon (1993)

Those that receive D.A.R.E. significantly less likely to start using alcohol in year after program; no impact on cigarette or marijuana use

Individuals – Becker et al. (1992)

Drug Abuse Resistance Education (DARE) had no significant impact on drug use

Individuals – Clayton et al. (1996)

No significant impact of D.A.R.E. on cigarette, alcohol, or marijuana use one year after and over five year follow up

Individuals – Ennett et al. (1994)

D.A.R.E. has no significant impact on smoking, alcohol use, or heavy drinking immediately after, 1 year after, and 2 years; after program

Individuals – Perry et al. (2003)

D.A.R.E. has no significant impact on any of the outcome measures (self-reported tobacco, alcohol, and marijuana use; violence, victimization)

Individuals – Ringwalt et al. (1991)

D.A.R.E has no significant impact on smoking, alcohol use, or use of inhalants

Individuals – Rosenbaum & Hanson (1998)

D.A.R.E has no significant overall impact on using drugs, cigarettes, or alcohol

Individuals – Sloboda et al. (2009)

Negative program effect for adolescent substance abuse prevention program on use of alcohol and cigarettes and no effect for marijuana use.

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