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  • What we offer

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    We support governments and development partners to generate and use rigorous evidence that informs better policies, programs and investments. Our work spans the full decision-making cycle, helping identify what works, why it works, and how to improve outcomes.

    Explore What we offer
    • Theory of change development
    • Impact evaluation
    • Evidence Synthesis
    • Evidence gap maps
    • Impact evaluations scoping and design
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  • Our work

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    Our diverse evidence to policy portfolio spans all major development sectors and regions and represents the scale and depth of 3ie’s global programs and initiatives.

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    • Mitigating and adapting to climate change
    • Innovations in data for impact evaluation
    • Research Commissioning Centre
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    • Global Evidence Commitment: Advancing Use of Rigorous Evidence
  • Evidence Hub

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Impact evaluation
IEb17

Ready for School

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  • Related Content

In Mozambique, only 4 out of 100 children go to preschool and very few programmes are available in rural areas where poverty is more acute. Existing evidence shows that investment in education early in life gives children a head start, and has effects on their immediate well-being and future prospects. But such evidence is not available from Africa. Are effective pre-school interventions viable in poor rural African communities?

A randomised control trial was conducted to assess the effectiveness of Save the Children’s preschool programme on children’s enrolment and readiness for primary school in rural Mozambique. This study is funded by 3ie and the World Bank Spanish Impact Evaluation Fund and is the first evaluation of an early childhood development programme in Africa.

The first issue of Evidence in Brief draws on the key findings of this 3ie supported impact evaluation.

Key findings

Children who attended preschool:

  • Are more likely to enrol in primary school at the right age. They spend more time on schooling and less time working on the family farm.
  • Show large improvements in cognitive and problem solving abilities, fine motor skills and social behaviour.
  • Are less prone to diarrhea and skin problems, though there is no evidence of positive impacts on nutrition.
  • Their siblings are more likely to go to primary school.
  • Their caregivers show improvements in parenting practices and an increase in parents' employment.

Policy impact

As a result of these findings, the Ministry of Education in Mozambique is now planning to
extend community-based preschools to 600 communities. Early childhood education was included in the country's 2012-2016 national education plan. The government has also created a national early childhood development commission.

Aquaculture in transition: Lessons from the impact evaluation of the IDEA project in Bangladesh

Aquaculture in transition: Lessons from the impact evaluation of the IDEA project in Bangladesh

Impact evaluation Brief 3ie 2026  
The authors of this brief evaluate the IDEA project’s efforts to strengthen aquaculture, nutrition, and women’s empowerment in northwest Bangladesh, finding limited added impact amid rapid market-driven sector growth.

The impact of linkage modalities between index-based insurance and agricultural credit

The impact of linkage modalities between index-based insurance and agricultural credit

Impact evaluation Brief 3ie 2026  
This brief presents evidence from a 4-year quasi-experimental impact evaluation of weather-index-based insurance bundled with agricultural loans for small-scale producers in Senegal.

Index-based insurance in Senegal, 10 years later: Stocktaking and future directions.

Index-based insurance in Senegal, 10 years later: Stocktaking and future directions

Impact evaluation Brief 3ie 2026  
This brief presents evidence from a 4-year quasi-experimental impact evaluation of weather-index-based insurance bundled with agricultural loans for small-scale producers in Senegal.

Transforming rural livelihoods in India: Findings from NRETP and NRLM evaluation

Transforming rural livelihoods in India: Findings from NRETP and NRLM evaluation

Impact evaluation Brief 3ie 2026  
This brief is based on 3ie's study evaluating the impacts of India's National Rural Livelihoods Mission (NRLM), including its enhanced phase under the National Rural Economic Transformation Project (NRETP).

From risk to resilience? The impact of weather index insurance bundled with agricultural loans in Senegal

From risk to resilience? The impact of weather index insurance bundled with agricultural loans in Senegal

Impact evaluation Brief 3ie 2025  
This brief presents evidence from a 4-year quasi-experimental impact evaluation of weather-index-based insurance bundled with agricultural loans for small-scale producers in Senegal.

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  • DOI : 10.23846/PB201220

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