TULIP: the Theoretical Upper Limit of Impact of Products
Today and tomorrow I’m at the EdTech Efficacy Research Academic Symposium in Washington, DC. The conversations here have been wonderful and have reminded me of something… For many years, several friends and I have argued about the following question: After accounting for all other differences - differences in a student’s age, race, gender, income, and prior academic success; differences in school environments; differences in teachers; differences in support available from friends, family, and other out-of-school sources; &c. - what is the theoretical upper limit on the impact a specific textbook, digital learning platform, or other edtech product can have on educational measures we care about (e.g., final grade, completion rate, time to graduation, satisfaction, etc.)? ...