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Automating CPM-GOMS.  (2002)
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CPM-GOMS is a modeling method that combines the task decomposition of a GOMS analysis with a model of human resource usage at the level of cognitive, perceptual, and motor operations. CPM-GOMS models have made accurate predictions about skilled user behavior in routine tasks, but developing such models is tedious and error-prone. We describe a process for automatically generating CPM-GOMS models from a hierarchical task decomposition expressed in a cognitive modeling tool called Apex. Resource scheduling in Apex automates the difficult task of interleaving the cognitive, perceptual, and motor resources underlying common task operators (e.g. mouse move-and-click). Apexís UI automatically generates PERT charts, which allow modelers to visualize a modelís complex parallel behavior. Because interleaving and visualization is now automated, it is feasible to construct arbitrarily long sequences of behavior. To demonstrate the process, we present a model of automated teller interactions in Apex and discuss implications for user modeling.
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John, B., Vera, A., Matessa, M., Freed, M, & Remington, R. (2002) Automating CPM-GOMS. Proceedings of CHI, 2002 (Minneapolis, April 20-25, 2002).
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Last Updated: August 15, 2019