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ACT-R: A higher-level account of processing capacity

Published online by Cambridge University Press:  01 December 1998

John R. Anderson ,
Christian Lebiere ,
Marsha Lovett  and
Lynne Reder
John R. Anderson
Affiliation:
Psychology Department, Carnegie Mellon University, Pittsburgh, PA 15213 [email protected]@[email protected]@cmu.eduact.psy.cmu.edu
Christian Lebiere
Affiliation:
Psychology Department, Carnegie Mellon University, Pittsburgh, PA 15213 [email protected]@[email protected]@cmu.eduact.psy.cmu.edu
Marsha Lovett
Affiliation:
Psychology Department, Carnegie Mellon University, Pittsburgh, PA 15213 [email protected]@[email protected]@cmu.eduact.psy.cmu.edu
Lynne Reder
Affiliation:
Psychology Department, Carnegie Mellon University, Pittsburgh, PA 15213 [email protected]@[email protected]@cmu.eduact.psy.cmu.edu
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Abstract

We present an account of processing capacity in the ACT-R theory. At the symbolic level, the number of chunks in the current goal provides a measure of relational complexity. At the subsymbolic level, limits on spreading activation, measured by the attentional parameter W, provide a theory of processing capacity, which has been applied to performance, learning, and individual differences data.

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 21 , Issue 6 , December 1998 , pp. 831 - 832
Copyright
© 1998 Cambridge University Press

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