The paper responds to three charges: 1. Educational research has not made a contribution to instructional practice because researchers produce articles in journals rather than viable, well-engineered, instructional products, 2. Educational researchers are training teachers who simply accept...

This study investigates how being exposed to a field of study influences students' major choices. We exploit a natural experiment at a Swiss university where all first-year students face largely the same curriculum before they choose a major. An important component of the first-year curriculum...