COVID-19 vaccines are widely available in wealthy countries, yet many people remain unvaccinated. Understanding the effectiveness -- or lack thereof -- of popular vaccination campaign strategies is therefore critical. In this paper, we report results from two studies that tested strategies...

In this article we evaluate the effectiveness of ethnomathematics education among indigenous children: the JADENKÄ program. This intercultural bilingual program has been designed to strengthen the mathematical and ethnomathematical skills of the Ngäbe preschoolers in Ngäbe-Buglé, a comarca...

We conducted a randomized experiment of the impact of remittance labeling among Filipino migrant workers in the UAE. The ability to label remittances with the migrant’s intended uses leads migrants with low levels of baseline (pre-treatment) remittances to increase their remittance levels....

We describe the challenge of college non-completion in the U.S. and a variety of explanations for the high rate of non-completion. We then provide an overview of the implementation of and evidence from eight specific college completion interventions designed to increase college completion rates...