This study investigates the relationship between the use of classroom recordings and student achievement in critical foreign languages. Recording classrooms has become popular in recent years with the advent of digital media and inexpensive devices to play such files. It is now easy to create audio recordings of face-to-face classes and post them…

This dissertation presents the results of three field experiments implemented to evaluate the effectiveness of strategies to improve the health or education of children in developing countries. In Guatemala, community health workers at randomly selected clinics were given patient tracking lists to improve their ability to remind parents when their…