Common Ground P. 1 To appear in W.R. Rouse & K.B. Boff (Eds.), Organizational simulation. New York: Wiley. Do not quote or cite without permission of the authors. Running Head: Common Ground Common Ground and Coordination in Joint Activity Gary Klein Klein Associates Inc. Paul J. Feltovich Jeffrey M. Bradshaw Institute for Human and Machine Cognition David D. Woods The Ohio State University Cognitive Systems Engineering Laboratory June 7, 2004