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Abstract Background There are great disparities in the quantity and quality of infrastructure. European countries such as Denmark, Germany, Switzerland, and the UK have close to 200 km of road per 100 km2, and the Ne...

Abstract Background Globally, children are legally obliged to attend school at a certain age (ranging from 4 to 7 years old). Developmental differences are rarely considered at school entry nor are they always reflected ...

Executive summary/Abstract Background In the field of terrorism research, the violent radicalisation of individuals towards perpetrating acts of terror has been the subject of academic enquiry for some time. One core foc...

Abstract Background High‐income countries offer social assistance (welfare) programs to help alleviate poverty for people with little or no income. These programs have become increasingly conditional and stringent in r...

This review assessed the effectiveness of interventions for improving outcomes among street‐connected children and young people, and for reducing some important health‐related risks; and to improve access to and inte...

The aim of this Campbell Systematic Review was to evaluate the effect of multi‐systemic therapy (MST) on adolescents with social, emotional, and behavioural problems based on the best available evidence. The effect is ...

This systematic review investigated the effectiveness of personal assistance versus any other form of care for adults with physical impairments. A literature search identified one study that met the inclusion criteria, w...

This review investigated the effectiveness of personal assistance versus any other form of care for children and adolescents with intellectual impairments. Personal assistance is here defined as paid support of at least ...

Abstract Background The COVID‐19 pandemic, caused by the SARS‐CoV‐2 virus, has resulted in illness, deaths and societal disruption on a global scale. Societies have implemented various control measures to reduce tr...

Abstract Background The COVID‐19 pandemic, caused by the SARS‐CoV‐2 virus, has resulted in illness, deaths and societal disruption on a global scale. Societies have implemented various control measures to reduce tr...

This Campbell systematic review examines the impact of reducing the maximum duration of unemployment benefits on job‐finding rates. Seven studies were included in the review, all of which are from European countries. I...

Abstract Background Limited knowledge regarding the relative effectiveness of workplace accident prevention approaches creates barriers to informed decision‐making by policy makers, public health practitioners, workpla...

This Campbell systematic review examines the effectiveness of school‐based interventions to reduce or prevent violence in intimate relationships. The review focused on programmes to change attitudes and beliefs, reduce...

Abstract Background Challenging classroom behaviors can interfere with student social and academic functioning and may be harmful to everyone in schools. Self‐management interventions within schools can address these c...

The fight against street‐level drug crime cannot be won by spending more resources on traditional, reactive style police work. Rather, partnerships between the police and other “third parties” should be applied, su...

Abstract Background A growing body of research shows the promise and efficacy of technology‐based or digital interventions in improving the health and well‐being of survivors of intimate partner violence (IPV). In ad...

This Campbell systematic review examines the impacts of on health, including mental health (PTSD, anxiety and depression), physical health and social functioning, of confining asylum seekers in detention centres. The rev...

This Campbell systematic review assesses the effectiveness of school‐based decision‐making. The review summarises findings from 17 impact studies and nine studies of barriers and enablers. School‐based decision‐m...

Abstract Background Agroforestry, the intentional integration of trees or other woody perennials with crops or livestock in production systems, is being widely promoted as a conservation and development tool to help meet...

This Campbell systematic review assesses the impact of exhaustion of employment benefits on the job‐finding rate for unemployed individuals. The review summarises findings from 47 studies. The majority of studies were ...

Abstract Background Policy makers need access to reliable data to monitor and evaluate the progress of development outcomes and targets such as sustainable development outcomes (SDGs). However, significant data and evide...

The aim of this systematic review was to assess the effects of programs comprising organized visits to prisons by juvenile delinquents (officially adjudicated or convicted by a juvenile court) or predelinquents (children...