From Diversifying Economic Quality: A Wiki for Instructors and Departments
One-minute paper is a teaching strategy where students are asked one or two deep questions about the material covered. Angelo and Cross (1993) suggests questions designed to encourage critical thinking and not regurgitation of information.
Angelo, T.A. & Cross, K.P. (1993). Classroom Assessment Techniques (2nd ed.). San Francisco: Jossey-Bass Publishers.