I wonder, Keith, if you could share an example, or at least a sketch of how
both top-down and bottom-up analyses of improvisation in conversation
together help us understand what is going on?
How many orders-of-magnitude in the time-scales of the process do you take
into account? (Cf. operations, actions, activities in classical AT). Are
there principled criteria for cutting off the much-lower and/or much-higher
levels? And how are cross-scale or cross-level relations mediated by
artifacts and meaning-texts?
I have always found these issues particularly difficult to deal with
because of our poorly developed theories of how the material and the
semiotic should both be taken into account, in relation to one another, in
such cases.
JAY.
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JAY L. LEMKE
PROFESSOR OF EDUCATION
CITY UNIVERSITY OF NEW YORK
JLLBC@CUNYVM.CUNY.EDU
<http://academic.brooklyn.cuny.edu/education/jlemke/index.htm>
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