Evidencia en acción

La evidencia de las evaluaciones aleatorizadas está cambiando la forma en que entendemos y abordamos los problemas relacionados con la pobreza. Los formuladores de políticas, profesionistas y fundaciones de todo el mundo están utilizando cada vez más estos aprendizajes en las políticas y programas sociales. Más de 400 millones de personas han sido alcanzadas por programas que se escalaron después de ser evaluados por investigadores afiliados a J-PAL. Muchos más se han beneficiado de las diversas y amplias formas en que la evidencia puede informar las políticas que se describen a continuación.

Pathways to Policy Change

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Shifting global thinking

Knowledge generated by randomized evaluations has fundamentally shaped our understanding of many social policies.

Example case studies:
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Institutionalizing evidence use

Many organizations, including governments and large NGOs, have institutionalized processes for rigorously evaluating innovations and incorporating evidence into decision-making.

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Applying research insights

Lessons from randomized evaluations have informed the design of programs.

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Adapting and scaling a program

Programs originally evaluated in one context have been adapted and scaled in others.

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Scaling up an evaluated pilot

Innovate, test, scale: Replicating and expanding a successful evaluated pilot to similar contexts.

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Escalando un piloto evaluado

Innovar, pilotear, escalar: Replicando y expandiendo un piloto exitoso hacia contextos similares.

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Scaling back an evaluated program

Innovate, test, reassess: Partners have scaled down, redesigned, or decided to not move forward with programs that were evaluated and found to be ineffective.

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Reevaluar un programa

Innovar, pilotear, reevaluar: Cuando los programas evaluados no fueron considerados efectivos, nuestros socios los rediseñaron o decidieron no seguir adelante.


A federal office to bolster evidence-based policymaking

J-PAL staff and affiliates contributed to the creation of the Office of Evaluation Sciences (OES) to improve the capacity of US federal agencies to build and use rigorous evidence and continue to partner with OES to aid this mission.

Un laboratorio de innovación gubernamental para mejorar la educación

Con apoyo de J-PAL e Innovations for Poverty Action (IPA), el Ministerio de Educación de Perú, creó una unidad dedicada a identificar, testear y escalar intervenciones de bajo costo para mejorar resultados educacionales.

Communicating Covid-19 messages at scale via social media

Researchers applied insights from earlier Covid-19 messaging research to launch a large-scale Facebook messaging campaign and corresponding evaluation reaching more than 35 million people.

Community-based targeting to combat Covid-19-induced poverty

Using community targeting methods to distribute cash transfers during Covid-19 has provided relief to over eight million recipients previously unenrolled in any social protection program in Indonesia.

Diseñando de un programa de protección social durante el Covid-19

Profesores afiliados a J-PAL apoyaron al gobierno de Chile a diseñar un programa de transferencia de efectivo durante la pandemia de Covid-19, que alcanzó de más de 3 millones de hogares.

Fund flow reform for social program delivery

Central and state governments in India have adopted a financial reform to enhance public service delivery informed by evidence.

Giving directly to support poor households

GiveDirectly has expanded its cash transfer program, which was found in a randomized evaluation to have improved economic and psychological well-being in Kenya, to reach over 125,000 households in rural Kenya, Rwanda, and Uganda since 2013.

Individualized tutoring to improve learning

Saga Education’s intensive math tutoring program has been shown to improve academic outcomes and has now reached 2,500 students facing barriers in the United States.

Información y fiscalización para la reducir la sobrepesca

Evidencia de una evaluación aleatorizada y un análisis de costo-efectividad llevaron al gobierno chileno a expandir una campaña de información a consumidores para proteger a las especies marinas en riesgo.

Información y mediación para mejorar los Tribunales Laborales

El gobierno de México utilizó información de una evaluación aleatorizada para orientar una ley laboral nacional.

Institutionalizing a culture of evidence-informed policymaking in Tamil Nadu

A long-standing partnership between the Government of Tamil Nadu and J-PAL in India has helped institutionalize the use of evidence in decision making and build a culture of evidence-informed policymaking.

Limits of technological solutions to provider monitoring

Based on evidence that biometric monitoring technology did not increase doctors' attendance at primary health centers, the government of Karnataka decided to end the program, saving taxpayers millions of dollars.

Normalizing mask usage to combat Covid-19

A community-level mask distribution and promotion program tripled mask usage in Bangladesh and is now being scaled up in multiple countries, reaching almost 14 million people in South Asia so far.

Parental engagement to improve children's schooling

The French Ministry of Education has expanded a parental involvement program to all public schools in the country on a voluntary basis.

Phone-based technology for agricultural information delivery

Precision Agriculture for Development leveraged findings from two randomized evaluations to create and diffuse a new mobile-phone based model for agricultural extension.

Promoting housing choice to improve economic mobility

Evidence from a flagship randomized evaluation in the United States prompted legislative and administrative changes to expand housing choice for low-income families.

Providing school quality information to improve housing mobility for low-income families

After research found that providing families with information on school quality increased Housing Choice Voucher recipients’ moves to neighborhoods with higher-rated schools, an affordable housing website expanded the provision of school quality information to all of its 60,000 daily site users.

Simplified reminders to increase take-up of tax credits

Following an evaluation in California testing variations of reminder letters to low-income households to increase take-up of tax credits, the US tax agency scaled up nationally the use of reminders that simply and prominently displayed potential benefits.

Strengthening third-party audits to reduce pollution

Evidence from a randomized evaluation informed the scale-up of a pollution audit policy in Gujarat, India.

Targeted information to improve social assistance

Government scale-up improves access to targeted social programs for 65.67 million people.

Targeting the ultra-poor to improve livelihoods

A multifaceted livelihood program has reached and improved the standard of living for more than three million households across 15 countries following randomized evaluations by J-PAL affiliates.

Tutoring to accelerate learning

Research has shown that high-dosage tutoring helps students catch up. Governments and agencies across the United States are implementing tutoring programs to accelerate learning in the wake of Covid-19.  

Efectos no intencionados de currículos anónimos

El gobierno francés abandonó una política que llamaba a las empresas a tomar decisiones de reclutamiento basadas en currículos anónimos luego de que un programa piloto voluntario mostrara que en realidad esta perjudicaba las oportunidades laborales de las y los postulantes pertenecientes a minorías...

Policymaker Voices