I just read an interesting article on shared knowledge acquisition and shared perception that develops as doctors participate in joint activity within the operating room. When reading it I was thinking of Jay Lemke's article on how changing media facilitate different forms of shared knowlege. The article is an examination of communicative activity in an operating room where there is an attendant, a resident, and a third year medical student and how they are developing shared perceptions and shared knowledge within a particular situation. The authors are usin a pragmatic model of "reference repair" proposed by Clark and Marshall [1981] Clark's model in 1981 was referring to "mutual knowledge" but in 1996 in a book titled "Using Knowledge" he expanded the notion of mutual knowledge to a broader category of "common ground" Clark's proposed model of reference repair is expressed by the formula Evidence + Asumptions + Induction schema = Mutual knowledge [or common ground] g Evidence is the ground that both speaker and hearer both understand some matter in the same way. Assumptions are the things taken for granted when accepting these grounds as warrants Inductive schema is a RECURSIVE relation where evidence and assumptions are interrelated or linked. Weaker bases of evidence [shared knowledge] must be compensated by increasing levels of assumptions. The authors in the discussion section of there article wrote "We are in full accord with Clark's shift from a treatment of reference as a simple matter of linquistic interpretation to a more situated model that encpmpasses "joint actions" and "joint perceptual experiences" and we think this this [theory] ... would help to illuminate how participants' own unfolding activities contribute to the determinant sense of what IS SEEABLE at any given moment. Furthermore, we have much to learn about the interactions between different kinds of bases of shared understanding". Not sure if others will find the article interesting. It is another perspective on the theme of "co-ordinating perspectives" through "reflective capacity" as a "socio-relational" process. Larry
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OCTOBER 21 Dissecting Common Ground Examining Reference and Reflection.pdf
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