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	KLM-GOMS	Ocena heurystyczna
Dziedzina	Interakcja człowiek–komputer	Interakcja człowiek–komputer
Rodzina	Hypothesis test	Hypothesis test
Rok powstania	1983	1990
Twórca	Stuart Card, Thomas Moran, Allen Newell	Jakob Nielsen and Rolf Molich
Typ	Computational cognitive model for task execution time prediction	Expert-based inspection using established design principles
Źródło pierwotne	Card, S. K., Moran, T. P., & Newell, A. (1983). The Psychology of Human-Computer Interaction. Lawrence Erlbaum Associates. ISBN: 0898592437	Nielsen, J. (1994). Heuristic evaluation of user interfaces. In Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (pp. 249–256).
Inne nazwy	GOMS Model, KLM	HE, Expert Evaluation, Nielsen's Heuristics
Pokrewne	4	4
Podsumowanie	The Keystroke-Level Model (KLM), part of the Goals-Operators-Methods-Selection rules (GOMS) framework, is a computational method for predicting how long a user will take to accomplish a routine task using an interactive system. Developed by Card, Moran, and Newell in 1983, KLM decomposes user actions into primitive operators (keystrokes, mouse clicks, mental preparation, system response waits) with empirically derived execution times, enabling designers to estimate task performance without running user studies.	Heuristic Evaluation is a usability inspection method in which small teams of expert evaluators examine an interface and judge its compliance with established usability principles (heuristics). Developed by Jakob Nielsen and Rolf Molich in 1990, this method is rapid and low-cost, identifying 60–90% of usability problems with as few as 3–5 evaluators. Nielsen's Ten Usability Heuristics—visibility of system status, match between system and real world, user control and freedom, consistency and standards, error prevention and recovery, recognition over recall, flexibility and efficiency, aesthetic and minimalist design, error recovery, and documentation—form the basis of most evaluations.