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Engaging Teachers with Technology Increased Achievement, Bypassing Teachers Did Not

By Sabrin Beg, Waqas Halim, Adrienne M. Lucas, and Umar Saif

American Economic Journal: Economic Policy, May 2022

Using two RCTs in middle schools in Pakistan, we show that brief, expert-led, curriculum-based videos integrated into the classroom experience improved teaching effectiveness: student test scores in math and science increased by 0.3 standard deviations, 6...

Why Have College Completion Rates Increased?

By Jeffrey T. Denning, Eric R. Eide, Kevin J. Mumford, Richard W. Patterson, and Merrill Warnick

American Economic Journal: Applied Economics, July 2022

We document that college completion rates have increased since the 1990s, after declining in the 1970s and 1980s. We find that most of the increase in graduation rates can be explained by grade inflation and that other factors, such as changing student ch...