Concepts inThe precis of Project Ernestine or an overview of a validation of GOMS
GOMS (Goals, Operators, Methods, and Selection rules) is a kind of specialized human information processor model for human computer interaction observation. Developed in 1983 by Stuart Card, Thomas P. Moran and Allen Newell, it was explained in their book The Psychology of Human Computer Interaction. Following these initial steps, additional models for analysis evolved and are heavily used in the engineering-oriented usability community.
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