Document (#19696)

Author

Howes, A,
Young, R.M.

Title

¬The role of cognitive architecture in modelling the user : Soar's learning mechanism

Source

Human-computer interaction. 12(1997) no.4, S.311-343

Year

1997

Abstract

What is the role of a cognitive architecture in shaping a model built within it? Compared with a model written in a programming language, the cognitive architecture offers theoretical constraints. These can be 'soft', in that some ways of constructing a model are facilitated and other made more difficult, or they can be 'hard', in that certain aspects of a model are enforced and other ruled out. Illustrates a variety of these possibilities. In the case of Soar, its learning mechanism is sufficiently constraining that it imposes hard constraints on models constructed within it. Describes how 1 of these ensures that models constructed within Soar must learn a display based skill and, other things being equal, must find display based devices easier to learn than keybord based devices. Discusses the relation between architecture and model in terms of the degree to which a model is 'compliant' with the constraints set by the architecture. Shows that despite doubts sometimes expressed cognitive architectures to have empirical consequences for use modeling

Footnote

Contribution to a special issue devoted to cognitive architectures and human-computer interaction

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