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Campbell Systematic Reviews

  • document cover for Mentoring Interventions to Affect Juvenile Delinquency and Associated Problems

    Mentoring Interventions to Affect Juvenile Delinquency and Associated Problems

    A "review of selective and indicated mentoring interventions that have been evaluated for their effects on delinquency outcomes for youth ... and key associated outcomes" is presented (p. 2). Sections in addition to a synopsis and abstract include: background; objectives; methods -- criteria for inclusion and exclusion of studies in review; results; and conclusions. "These results suggest mentoring, at least as represented by the included studies, has positive effects for these important public health problems, albeit from small to modest in effect size" (p. 20).

  • document cover of The Effects on Re-offending of Custodial vs. Non-custodial Sanctions: An Updated Systematic Review of the State of Knowledge

    The Effects on Re-offending of Custodial vs. Non-custodial Sanctions: An Updated Systematic Review of the State of Knowledge

    "Throughout the Western World, community-based sanctions have become a popular and widely used alternative to custodial sentences. There have been many comparisons of rates of reconviction among former prisoners and those who have served any kind of community sanction. So far, the comparative effects on re-offending of custodial and non-custodial sanctions are largely unknown, due to many uncontrolled variables ... The objective is to assess the relative effects of custodial sanctions (imprisonment) and non-custodial ("alternative" or "community") sanctions on re-offending" (p.8). This study shows that the majority of non-custodial sanctions reduce re-offending more than custodial sanctions.