This presentation will introduce a model of critical thinking and demonstrate how professors can use it to model critical thinking in online asynchronous discussion forums. Learning goals for this session include: (1) Understand the model of critical thinking, (2) Exemplify the “moves" of the professor in an asynchronous discussion forum guided by the model of critical thinking and (3) Recognize how to ask questions that encourage students to recognize the patterns of their thinking, that is, the inherent assumptions in their thinking, the implications that follow from their thinking, and the clarity of their thinking. In this session attendees will have 3-4 opportunities to discuss and practice the concepts and techniques.