A secondary mathematics curriculum of open-ended non-routine problems developed by a teacher of high school math over 10 years is described. An open-ended non-routine problem is one that requires problem recognition and orientation, effort, and persistence. It is open-ended in that it allows for various solutions, and requires the student to…

Cognitive flexibility theory is a constructivist learning paradigm emphasizing real-world complexity and the ill-structured nature of knowledge. This article discusses the design of a multimedia program (Perspectives on Emotional and Behavioral Disorders) based on cognitive flexibility theory and presents quantitative and qualitative results of…