This article proposes a conception of the teacher as an "Impresario with a Scenario," a multi-centric and co-constructivist model in contrast to the familiarly student-centered and constructivist ideal of the Guide on the Side. I argue that the Impresario conception is truer to the practices of many teachers inspired by the "Guide…

"Melioration" is borrowing and using an idea from another field not closely associated with your field of expertise. Using the borrowed concept to address a challenge in your field potentially provides new avenues of action and insight. I borrow the concept of boundary objects from science fields and use it to examine assignments in the college…