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This Campbell systematic review examines the effects of input subsidies on agricultural productivity, beneficiary incomes and welfare, consumer welfare and wider economic growth. The review summarizes evidence from 15 ex...

This Campbell systematic review examines the effectiveness of e‐learning in improving evidence‐based health care (EBHC) knowledge and practice. Compared to no learning, pure e‐learning improves EBHC knowledge and s...

This Campbell systematic review examines the empirical research on the effectiveness of female genital mutilation/cutting (‘FGM/C’) interventions to reduce the occurrence of FGM/C practices in the 28 African countrie...

Abstract The aim of the current systematic review and meta‐analysis is to comprehensively synthesize the effectiveness of language promotion interventions in early childhood education and care (ECEC) settings on L1 and...

Abstract The overall aim of the review is to map the definitions and measurement tools used to capture the whole spectrum of hate motivated behaviors, including hate crime, hate speech and hate incidents. This will benef...

Abstract This is the protocol for a Campbell systematic review. The objectives are as follows: The purpose of this review is to synthesize the evidence about the efficacy of problem solving before instruction (PS‐I) to...

Abstract The primary goal of the present mixed methods review is to systematically examine the available evidence for the effectiveness of different types of school‐based interventions for reducing disciplinary school ...

Abstract This is a protocol for a Cochrane Review (intervention). The objectives are as follows: This systematic review will synthesize the available evaluation research on the effectiveness of street outreach conflict m...

Abstract This is the protocol for a Campbell systematic review. The objectives are as follows: Our aim is to collect, assess, and synthesise all the available empirical evidence on what works to support evidence‐inform...

The main objective of this Campbell systematic review was to provide a systematic review of the evidence on the effects of microcredit on women's control over household spending in developing countries. More specifically...

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...