[ACT-R-users] different base level activations

[Wolfgang Schoppek]

Hello Sarah,
of course, there are allways possibilities to force ACT-R doing 
something you want it to do. But keep in mind that ACT-R 5.0 is the 
implementation of a theory - and if you change the standard 
assumptions a lot, you leave the empirically well established ground 
of the theory. Manipulating the baselevel of chunks at the time of 
their creation depending on their type seems to be something that 
needs careful justification. And it introduces new (hidden) parameters.
  I remember work done by Erik Altmann where new chunks are assumed to 
be rehearsed to a certain threshold (which appears to resemble what 
you want). I think it is documented in the following papers:

Altmann, E. M. (2002).  Functional decay of memory for tasks. 
Psychological Research, 66, 287-297.

Altmann, E. M. & Gray, W. D.  (2002). Forgetting to remember: The 
functional relationship of decay and interference. Psychological 
Science, 13, 27-33.

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  Dr. Wolfgang Schoppek          Universitaet Bayreuth
  Tel.: +49 921 554140
  http://www.uni-bayreuth.de/departments/psychologie/schoppek/
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