The City of Los Angeles Office of Gang Reduction and Youth Development (GRYD)

Technical Report

Research & Evaluation
Team Partners

Team Leads

California State University, Los Angeles
Denise C. Herz, Ph.D. 
Molly Kraus, MPL
Carly B. Dierkhising, Ph.D.
Anne Larson, Ed.D.

Harder + Company
Loraine Park, MSW
Alfonso Martin, MA

University of California, Los Angeles
Jorja Leap, Ph.D.
P. Jeffrey Brantingham, Ph.D.

University of Southern California 
Karen M. Hennigan, Ph.D.
Kathy A. Kolnick, Ph.D.
Flor Vindel, MSW

University of Utah
Patricia Kerig, Ph.D.

Heru Consulting
Andraé L. Brown, Ph.D.

The City of Los Angeles Mayor’s Office of Gang Reduction and Youth Development (GRYD) oversees a Comprehensive Strategy that involves the provision of prevention services, gang intervention services, violence interruption activities, and involvement in proactive peace-making activities. GRYD is committed to evaluating these programs and currently contracts with California State University, Los Angeles to oversee all research and evaluation activities related to GRYD. 

Denise Herz, Ph.D., in the School of Criminal Justice and Criminalistics oversees and directs the GRYD Research and Evaluation Team. These team partners work to evaluate the GRYD Comprehensive Strategy using both qualitative and quantitative data. Key goals of this work are to assess the impact of GRYD services and to create a “research to practice” feedback loop for continuous improvement of GRYD services. 

GRYD Comprehensive Strategy Mission

GRYD’s mission is to strengthen the resiliency of youth/young adults, families, and communities to the influence of gangs by fostering public/private collaborations and supporting community-based prevention and intervention services.

GRYD Comprehensive Strategy Goals 

  • Goal 1: To increase the community’s knowledge and capacity to effectively address gang involvement and violence.
  • Goal 2: To increase protective factors and reduce gang joining among at-risk youth aged 10-15.
  • Goal 3: To increase prosocial connections and other protective factors for gang-involved young adults between the ages of 14 and 25.
  • Goal 4: To facilitate effective communication and coordinated responses to address gang violence

GRYD Research and Evaluation
2017 Evaluation Reports
 

GRYD Intervention Incident Response and Gang Crime

P. Jeffrey Brantingham, University of California, Los Angeles
Nick Sundback, University of California, Los Angeles
Baichuan Yuan, University of California, Los Angeles
Kristine Chan, California State University, Los Angeles

This evaluation report will provide a look of the GRYD Intervention Incident Response (IR) protocol and will present analyses of gang crime and the impact of GRYD IR. A key to the analyses is the definition of retaliatory crimes in statistical terms. The evaluation then looks at the theory underlying how GRYD IR should disrupt retaliation. In spite of rising violent crime rates overall since 2014, the evidence clearly shows that GRYD IR is able to disrupt retaliation and significantly reduce gang violent crime.

View Evaluation Report

GRYD Prevention

Molly Kraus, California State University, Los Angeles
Kristine Chan, California State University, Los Angeles
Alfonso Martin, Harder + Company Community Research
Loraine Park, Harder + Company Community Research
Jorja Leap, University of California, Los Angeles
Kim Manos, University of California, Los Angeles
Karen M. Hennigan, University of Southern California
Kathy A. Kolnick, University of Southern California

This evaluation report will present quantitative and qualitative data and findings for the GRYD Prevention Services model from September 1, 2011 through March 31, 2016. This will include a look at the trajectory of youth referred to GRYD Prevention Services, the characteristics of youth who became clients, graduation rates, and changes in risk factors over time. In addition, a comparison of changes in risk over time among a sample of GRYD clients and similar youth on juvenile probation in Los Angeles County is presented.

View Evaluation Report

GRYD Intervention Family Case Management

Molly Kraus, California State University, Los Angeles
Jorja Leap, University of California, Los Angeles
Laura Rivas, University of California, Los Angeles
Kim Manos, University of California, Los Angeles
Karen M. Hennigan, University of Southern California
Kathy A. Kolnick, University of Southern California

This evaluation report will present quantitative and qualitative data and findings for the GRYD Intervention Family Case Management (FCM) Services from February 1, 2012 through May 16, 2016. This will include the characteristics of clients, identified risk and protective factors, retention rates, and the emerging findings for types of changes related to gang identity and involvement in crime and violence that clients experience over time.

View Evaluation Report

Integrating Trauma-Informed Care Into GRYD Services

Carly B. Dierkhising, California State University, Los Angeles
Patricia Kerig, University of Utah


The evaluation report will present the rationale for providing trauma-informed services within GRYD and will describe the Trauma-Informed Services for GRYD course that was offered as a pilot project. Student learning outcomes will be reported and recommendations offered for the sustainability and expansion of trauma-informed GRYD services. 

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GRYD Summer Night Lights Reflections and Responses

Akhila Ananth, California State University, Los Angeles
Edgar Hernandez, California State University, Los Angeles

This evaluation report will present findings form the Summer Night Lights evaluation in 2016, including program statistics, six feedback forums of community residents, and a focus group with 10 SNL Lead Community Intervention Workers. The report also includes qualitative data that highlights the perceptions of the communities and SNL's impact.

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The GRYD & Probation Juvenile Reentry Program Evaluation

Kristine Chan, California State University, Los Angeles
Denise C. Herz, California State University, Los Angeles
Jorja Leap, University of California, Los Angeles
Laura Rivas, University of California, Los Angeles

In 2007, the Office of Juvenile Justice and Delinquency Prevention (OJJDP) launched the Second Chance Act grant to provide funding for state or local-level juvenile justice agencies to develop and implement effective strategies to address the challenges of juvenile reentry from correctional placements back into the community.  The City of Los Angeles Gang Reduction and Youth Development Office (GRYD) received a Second Chance Act award in 2013 to design and implement a juvenile reentry process for gang-involved youth. GRYD worked closely with the Los Angeles County Probation Department to launch the GRYD and Probation Juvenile Reentry Program in November 2014 to serve gang-involved youth exiting Probation Camps.  This report summarizes the evaluation findings for youth referred to the program between November 2014 and December 2015.

View Evaluation Report

 

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