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Latest blogs

3ie’s new Development Evidence Portal: Our expert panel walks you through its features

While we’re not yet in a world where finding the best development evidence is as easy as asking Alexa or Siri a question, 3ie’s new Development Evidence Portal gets us one step closer to that goal. The newly revamped repository of development evidence includes powerful search and filtering functions for its 3745 impact evaluations, 730 systematic reviews, and 20 evidence gap maps.

Opportunities, challenges, and strategies for evidence production and use in the COVID era: 3ie’s expert panel weighs in

Evidence is already playing a key role in shaping our responses to COVID-19. But at the same time that the pandemic creates opportunities to broaden evidence use, it also raises numerous challenges for those working to collect, analyse, and synthesize data.

Securing and building peaceful societies: Where is the evidence and where is it missing?

It has been estimated that over 1.8 billion people, close to a quarter of the world’s population, live in fragile contexts (OECD, 2018). Given the current Covid-19 pandemic, it is likely that this number might rapidly increase, with unequal access to health services, decent jobs, and safe housing leading to growing mistrust and social unrest. Interventions that tackle the underlying causes of conflict and fragility – along with immediate responses to the pandemic – are therefore more relevant than ever.

What do we know about what works to increase routine vaccination coverage?

World Immunisation Week 2020 has arrived, and vaccinations are on a lot of people’s minds at the moment, with everyone wondering when/if a vaccine against COVID-19 will be available.

How to improve the performance of community health workers

In many interventions to improve health outcomes, community health workers (CHWs) play a pivotal role. We've recently written about two such types of interventions: efforts to improve sanitation practices and campaigns to increase vaccination rates

What works to improve vaccination rates in low- and middle-income countries?

Each year, hundreds of thousands of people are sickened from diseases from which they could have been protected if they had been vaccinated. In some low-income countries, less than half of children receive even the most widely-distributed vaccines, like the one for diphtheria, tetanus, and pertussis. So what strategies are effective at raising vaccination rates in low- and middle-income countries?

Phone surveys in developing countries need an abundance of caution

Subha Mani and Bidisha Barooah write about the need for researchers to exercise an abundance of caution before conducting phone surveys to collect data during this global pandemic. In this blog, they discuss some of the risks that survey respondents might face and offer suggestions on how researchers could mitigate them.

How to get people to wash their hands

If you've been following international news recently, you've likely been inundated with the message: ‘Wash your hands!’ But not everyone is tuned in to public health messages, nor is such information always effectively communicated to vulnerable communities.

Access is not the same as use: tackling behavioural barriers to the use of new resources

On World Water Day, 3ie’s Charlotte Lane provides an overview of the Indian government’s ongoing efforts to provide access to clean water and adequate sanitation and makes a stroeg case for an equal effort to address the behavioral barriers to the use of these new resources.

Empowering women through National Rural Livelihoods Mission

Neelima Devi*, a 35-year-old Self Help Group (SHG) member, aspires to start an eatery with her husband in their village. She was one the many women we had met during our field visits to Jharkhand and Maharashtra in 2019.


Evidence Matters is 3ie’s blog. It primarily features contributions from staff and board members. Guest blogs are by invitation.

3ie publishes blogs in the form received from the authors. Any errors or omissions are the sole responsibility of the authors. Views expressed are their own and do not represent the opinions of 3ie, its board of commissioners or supporters.