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  • About us

    About us

    We are a mission-driven non-profit organization dedicated to using evidence to transform people’s lives. We collaborate with governments, foundations, NGOs, development and research organizations across the globe.

    Explore About us
    • Team
    • Supporters
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    • At a glance
    • Governance
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    • Contact us
  • What we offer

    What we offer

    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
    • Training Initiatives
    • Research grants administration
    • Transparency, research and ethics helpdesk
  • Our work

    Our work

    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.

    Explore Our work
    • Education
    • Peacebuilding
    • Food Systems and Nutrition Evidence and Gap map
    • Gender and women’s empowerment
    • Mitigating and adapting to climate change
    • Innovations in data for impact evaluation
    • Research Commissioning Centre
    • WACIE
    • Rural India Livelihoods Project
    • Global Evidence Commitment: Advancing Use of Rigorous Evidence
  • Evidence Hub

    Evidence Hub

    We make high-quality development evidence publicly accessible through key databases, journals and repositories, which include studies produced by 3ie and beyond.

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  5. Quality evidence for policymaking: I’ll believe it when I see the replic...
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Replication papers
Quality evidence for policymaking: I’ll believe it when I see the replication

Quality evidence for policymaking: I’ll believe it when I see the replication

3ie Replication Paper 1

Annette N Brown, Drew B Cameron and Benjamin DK Wood

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This paper by Annette N Brown, Drew B Cameron and Benjamin DK Wood reviews current literature and trends in social science research to emphasise the importance of replication for evidence-based policymaking in international development. The authors discuss four main challenges facing empirical research and offer a new typology of replication approaches - pure replication, measurement and estimation analysis, and theory of change analysis - to address these challenges.

Treatment as Prevention: A replication study of a universal test and treatment cluster-randomized trial in Zambia and South Africa

Treatment as Prevention: A replication study of a universal test and treatment cluster-randomized trial in Zambia and South Africa

Replication paper 3ie 2022  
The authors of this paper replicated a landmark study by Hayes and colleagues (2019) on the HPTN 071 (PoPART) trial, which examined if a universal test and treatment program, along with a combination prevention intervention, could reduce HIV incidence in Zambia and South Africa. 

Treatment as prevention: A replication study on a universal test and treat cluster-randomized trial in South Africa from 2012–2016

Treatment as prevention: A replication study on a universal test and treat cluster-randomized trial in South Africa from 2012–2016

Replication paper 3ie 2022  

Authors of this paper replicated a landmark study by Iwuji and colleagues (2018) who examined the use of treatment as prevention (TaSP) trials for HIV-positive individuals in rural South Africa.

Treatment as prevention: a replication study on early antiretroviral therapy initiation and HIV-1 transmission

Treatment as prevention: a replication study on early antiretroviral therapy initiation and HIV-1 transmission

Replication paper 3ie 2020  
Eric Djimeu and Eleanor G Dickens conduct a replication of the HPTN 052 study by Cohen and colleagues that evaluates the impact of early initiation of antiretroviral therapy on rates of sexual transmission of HIV-1.

Biometric Smartcards and payment disbursement: a replication study of a state capacity-building experiment in India

Biometric Smartcards and payment disbursement: a replication study of a state capacity-building experiment in India

Replication paper 3ie 2019  
The National Rural Employment Guarantee Scheme and Social Security Pension are two of the largest employment programmes in Andhra Pradesh. Muralidharan and colleagues (2016) investigated the impacts of biometrically-authenticated payment infrastructure (Smartcards) on beneficiaries of the two employment programmes.

RPS22

Risk sharing and transaction costs: a replication study of evidence from Kenya’s mobile money revolution

Replication paper 3ie 2019  
This replication study starts with the twin strategies of push-button and pure replications of the original study. It then followed this up with various consistency and robustness checks, such as propensity score matching and the Tobit model specification.

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  • DOI : 10.23846/RPS0001

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