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Closing the Word Gap with Big Word Club: Evaluating the Impact of a Tech-Based Early Childhood Vocabulary Program

Researchers evaluated the Big Word Club, a classroom-based digital learning program designed to increase the vocabulary of young children, to assess the program’s impact on children’s receptive vocabulary. Researchers found that the Big Word Club increased students’ knowledge and retention of words...

Addressing Bias by Promoting Women to Management Positions in Bangladesh

Researchers randomly assigned co-supervisors to production lines to evaluate the impact of exposing garment factory workers and supervisors to women managers on factory productivity, supervisor retention, and attitudes toward women. Several months after the intervention, there was no difference in...

The Impact of Stigma on Labor Market Assistance Take-Up in Egypt

Jamin D. Speer
Researchers studied the impact of acknowledging and refuting stigma on take-up of labor market assistance programs. The results of three randomized evaluations indicated that mentioning stigma, even with the aim of dispelling it, generally reduced take-up of these programs.

Encouraging Interregional Contact to Foster National Identity in Spain

Christopher Roth
Researchers evaluated the long-run effects of temporary contact between individuals from different regions during military service on interregional attitudes and national identity sentiments among former Spanish male conscripts. Overall, conscription outside of one’s region of origin led to positive...

Mobile Phone-Based Messaging and Critical Health Behaviors to Reduce Covid-19 Spread in India

Girija Bahety
Dev Patel
James Richard Potter
Researchers working in India conduct an adaptive randomized controlled trial to evaluate the impact of a SMS-based information campaign on the adoption of social distancing and handwashing in rural Bihar, India, six months into the COVID-19 pandemic.

The impact of payments for ecosystem services on crop burning in India

Researchers are conducting a randomized evaluation to test the impact of a PES program that offers financial rewards to paddy farmers for reducing burning of crop residue (or “stubble”) on stubble burning in Punjab, India.

Does Continuous Professional Development Improve Teaching at the Right Level in Zambia?

Researchers are evaluating the impact of the “Teaching at the Right Level” program on students’ foundational literacy and mathematics skills.