Chapter 1

2.4.3 GOMS and the keystroke-level model. Goals, operators, methods, and selection rules (GOMS) model. Keystroke-level model: Predict performance times for error-free expert performance of tasks . Transition diagrams . Natural GOMS Language (NGOMSL) Several alternative methods to delete fields, e.g. Method 1 to accomplish the goal of deleting ... ................
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