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    child welfare evidence gap map

    In a new blog article our Evidence Synthesis Specialist Ashrita Saran, details work being done on the Campbell-UNICEF Mega Map. The mega map highlights 16 pre-existing Evidence and Gap Maps (EGM) and 302 systematic reviews on the effectiveness of interventions to improve child welfare in low to middle-income countries. The evidence is structured by intervention categories, such as child protection services and child rights, and by outcome domains, such as child abuse and child marriage

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    Our major sponsor passing the baton
    The Norwegian Institute for Public Health has been key to the success and stability of Campbell since 2008, but the contract for this support is nearing conclusion. Becoming a major donor is an opportunity for a funding organisation or individual to ensure the continuity and growth of Campbell as a well-respected and increasingly influential research non-profit. Outreach, citations, partnerships with civil and governmental organisations, and production are at a historical high. 

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  • Professor Paul Montgomery will run two Evidence Aid courses


    In Oxford, UK on 19 November,
    "An introduction to systematic reviews in the humanitarian sector"places the use of evidence in the context of disasters and the provision of humanitarian aid, both medical and non-medical. A 2-day course on 22-23 November called "Evaluating complex humanitarian interventions – utilising evidence-based approaches" considers the evaluation of complex humanitarian interventions and utilising evidence-based approaches. Paul Montgomery of the University of Birmingham is a prolific Campbell author and Cochrane editor.

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  • See the GEIS 2018 programme now

    Global Evidence and Implementation Summit 2018
    GEIS 2018 is a global, cross-sector event in Melbourne, Australia, 22-24 October, featuring speakers and presentations from around the world. The conference is for funding agencies, policy makers, practitioners, knowledge brokers, implementation scientists and researchers committed to the generation and implementation of evidence for better policy and practice. See our top ten picks from the programme here.

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Featured Review

officer arrests youthsPolice-initiated diversion for youth to prevent future delinquent behavior by David B. Wilson, Iain Brennan, Ajima Olaghere

Overly punitive responses to youth misconduct may have the unintended consequence of increasing the likelihood of future delinquency; yet, overly lenient responses may fail to serve as a corrective for the misbehavior. Police diversion schemes are a collection of strategies police can apply as an alternative to court processing of youth. Police-initiated diversion schemes aim to reduce reoffending by steering youth away from deeper penetration into the criminal justice system and by providing an alternative intervention that can help youth address psychosocial development or other needs that contribute to their problem behavior.

The general pattern of evidence is positive, suggesting that police-led diversion reduces the future delinquent behavior of low-risk youth relative to traditional processing. Assuming a 50 percent reoffending rate for the traditional processing condition, the results suggest a reoffending rate of roughly 44 percent for the diverted youth. This overall benefit of diversion holds for the random assignment studies judged to be free from any obvious risks of bias. The findings from this systematic review support the use of police-led diversion for low-risk youth with limited or no prior involvement with the juvenile justice system. Thus, police departments and policy-makers should consider diversionary programs as part of the mix of solutions for addressing youth crime.

What is this review about?

This Campbell systematic review examines the effects police-initiated diversion programs on delinquent behavior, compared to traditional system processing. The review summarizes evidence from nineteen high-quality studies, including 13 randomized controlled trials and six quasi-experimental studies.

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