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goms-and-action-analysis - GOMS and Action Analysis Brian...

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GOMS and Action Analysis Brian Bailey
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Announcements User reports and tasks due Friday Paper prototype and use scenarios due next week HW2 assigned today
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Recap Theory of prototyping economic principle Three types of low-fidelity prototyping paper-, video-, and wizard-of-oz techniques
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Project Discussion Where did your ideas come from? How did you vet the ideas? How did you determine which idea to pursue? What has been the largest challenge and how have you tried to address it?
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Task Performance Performance can be critical Measure performance early to
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GOMS A method to describe tasks and how a user performs those tasks with a design assumptions Operationalize to simulate users
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GOMS Goals Operators Methods Selection rules
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GOMS Can Be Used To: Predict task completion times Analyze interaction paths Test functional coverage Predict time to learn tasks Predict likelihood of errors Develop task-centered documentation
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