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	Prawo Hicka-Hymana	Skala Użyteczności Systemu
Dziedzina	Interakcja człowiek–komputer	Interakcja człowiek–komputer
Rodzina	Hypothesis test	Hypothesis test
Rok powstania	1952	1986
Twórca	William Edmund Hick and Ray Hyman	John Brooke
Typ	Empirical model of choice reaction time as logarithmic function of number of choices	Rapid, post-use questionnaire scale for measuring perceived usability
Źródło pierwotne	Hick, W. E. (1952). On the rate of gain of information. Quarterly Journal of Experimental Psychology, 4(1), 11–26.	Brooke, J. (1986). System Usability Scale (SUS): A quick and dirty usability scale. In B. Shackel & S. J. Richardson (Eds.), Usability Evaluation in Industry (pp. 189–194). Taylor & Francis. ISBN: 0-85066-375-X
Inne nazwy	Hick's Law, Law of Choice Reaction Time	SUS, System Usability Score
Pokrewne	4	4
Podsumowanie	The Hick-Hyman Law predicts that human decision time increases logarithmically with the number of equally likely choices. Independently formulated by William Edmund Hick and Ray Hyman in the early 1950s, this law describes how long it takes a person to make a choice among alternatives. In human-computer interaction, the law is widely applied to menu design, navigation hierarchies, and command selection, showing that users take longer to select from larger sets of options, but the relationship is logarithmic, not linear.	The System Usability Scale (SUS) is a rapid, standardized 10-item questionnaire for measuring perceived system usability in a single summary score. Developed by John Brooke in 1986, SUS has become one of the most widely used post-use usability instruments in industry and research. The scale is administered after a user has interacted with a system, capturing perceived ease of use, learnability, error recovery, and overall satisfaction with a quick, economical assessment that correlates well with comprehensive usability testing.