The objectives of this review are to answer the following research questions: (1) What is the effect size of the effectiveness of interventions to improve livelihood outcomes for people with disabilities in low- and middle-income countries (LMICs), and what is the quality of the evidence base? (2) What works to improve livelihood outcomes for…

The objectives of this review are to answer the following research questions: (1) What is the nature of the interventions used to support education for people with disabilities? (2) What is the size and quality of the evidence base of the effectiveness of interventions to improve educational outcomes for people with disabilities in low- and…

Background: Despite a considerable reduction in child mortality, nearly six million children under the age of five die each year. Millions more are poorly nourished and in many parts of the world, the quality of education remains poor. Children are at risk from multiple violations of their rights, including child labour, early marriage, and sexual…

Over the past decade the academic literature on disability outcomes and effectiveness has grown substantially (Andresen, Lollar, & Meyers, 2000; Devon, Lydon, Healy, & McCoy, 2016; Iemmi et al., 2015). Several important questions have not been adequately addressed, however. For example, what type of evidence is needed, and what are…

This research brief is one of a series of six briefs, which provide an overview of available evidence shown in the Campbell-UNICEF Mega-Map of the effectiveness of interventions to improve child wellbeing in low- and middle-income countries (LMICs). Five of the six briefs summarize evidence as mapped against the five Goal Areas of UNICEF's…

This research brief is one of a series of six briefs, which provide an overview of available evidence shown in the Campbell-UNICEF Mega-Map of the effectiveness of interventions to improve child wellbeing in low- and middle-income countries (LMICs), with this brief mapping the COVID-19-relevant studies. This brief provides an overview of the…

Background: There are approximately 1 billion people in the world with some form of disability. This corresponds to approximately 15% of the world's population (World Report on Disability, 2011). The majority of people with disabilities (80%) live in low- and middle-income countries (LMICs), where disability has been shown to disproportionately…

This research brief is one of a series of six briefs, which provide an overview of available evidence shown in the Campbell-UNICEF Mega-Map of the effectiveness of interventions to improve child wellbeing in low- and middle-income countries (LMICs). Five of the six briefs summarize evidence as mapped against the five Goal Areas of UNICEF's…

This research brief is one of a series of six briefs, which provide an overview of available evidence shown in the Campbell-UNICEF Mega-Map of the effectiveness of interventions to improve child wellbeing in low- and middle-income countries (LMICs). Five of the six briefs summarize evidence as mapped against the five Goal Areas of UNICEF's…

This research brief is one of a series of six briefs, which provide an overview of available evidence shown in the Campbell-UNICEF Mega-Map of the effectiveness of interventions to improve child well-being in low- and middle-income countries. Five of these briefs summarize evidence as mapped against the five goal areas of UNICEF's 2018-2021…

This research brief is one of a series of six briefs, which provide an overview of available evidence shown in the Campbell-UNICEF Mega-Map of the effectiveness of interventions to improve child wellbeing in low- and middle-income countries (LMICs). Five of the six briefs summarize evidence as mapped against the five Goal Areas of UNICEF's…

The purpose of this article is to extend the discussion of issues currently being debated on the need for more rigorous program evaluation in educational and other sectors of research, to the field of international development evaluation, reviewing the different approaches which can be adopted to rigorous evaluation methodology and their…