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Browse news articles about J-PAL and our affiliated professors, and read our press releases and monthly global and research newsletters. For media inquiries, please email us.

Building Trust in Fertilizer Quality Among Farmers in Tanzania

Annemie Maertens
Researchers conducted an evaluation to test the impact of an information campaign about fertilizer quality on farmers’ beliefs and their purchase and use of fertilizer. The information campaign led farmers to change their beliefs about the quality of fertilizer available in local markets and to buy...

Radio Advertisements to Increase Electoral Competition in the United States

Costas Panagopoulos
Researchers examined the effect of radio advertisements on electoral competition through a randomized evaluation and found that radio advertisements that stated the names of both incumbents and challengers, reminded listeners about the date of the upcoming election, and encouraged them to vote...

Incentives, Selection and Productivity in Labor Markets in Malawi

Researchers evaluated the effect of randomly offering varied wages to bean-sorting workers in rural Malawi. While offering higher wages caused workers to increase their productivity, it did not attract more productive workers.

Training Teachers in Curiosity-Based Science Pedagogy in India

Ariel Gomez
Vinay Jha
Santosh Kumar
Sandeep Kumar
Soham Sahoo
Despite making great strides in expanding access to education, developing countries like India continue to lag in measures of actual student learning. To understand how quality of education mediates learning, this randomized control trial evaluates a pedagogical intervention training science...

Opower: Evaluating the Impact of Home Energy Reports on Energy Conservation in the United States

Researchers studied the short- and long-run effects of these reports on electricity use and found that reports reduced energy consumption by about 2 percent across twelve utilities. The reports had the strongest effect in the short-run, but the program had enduring effects among households that were...

Boosting Academic Performance through Individualized Tutoring in Chicago Public High Schools

Roseanna Ander
Philip J. Cook
Kenneth Dodge
George Farkas
Harold Pollack
Laurence Steinberg
In Chicago, researchers evaluated an intensive two-on-one math tutoring program for 9th and 10th grade male students in public schools to assess the effectiveness of individualized instruction. Students who were randomly assigned to tutoring scored higher on math exams, earned better grades in math...

The Effects of Student Coaching in the United States

Rachel Baker
Researchers conducted a randomized evaluation to test the effectiveness of providing individualized coaching to university students on their persistence in university courses. Students who were assigned to a coach were more likely to persist in university.