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Usability testing methods aim to evaluate the ease of use of a software product by its users. As existing methods are subjective and open to interpretation, scholars have been studying the efficacy of each method [1] [2] [3] and their adequacy to different subjects, comparing which one may be the most appropriate in fields like e-learning, [4] e-commerce, [5] or mobile applications.
Usability testing is a technique used in user-centered interaction design to evaluate a product by testing it on users. This can be seen as an irreplaceable usability practice, since it gives direct input on how real users use the system. [1]
Usability inspection is a review of a system based on a set of guidelines. The review is conducted by a group of experts who are deeply familiar with the concepts of usability in design. The experts focus on a list of areas in design that have been shown to be troublesome for users.
Usability goals must address the three usability components, i.e. effectiveness, efficiency and satisfaction. [2] Their definition, for each of those components, must rest on the characteristics of the tasks that the tested system is supposed to support. [2]
In systems engineering, the system usability scale (SUS) is a simple, ten-item attitude Likert scale giving a global view of subjective assessments of usability.It was developed by John Brooke [1] at Digital Equipment Corporation in the UK in 1986 as a tool to be used in usability engineering of electronic office systems.
Web usability includes a small learning curve, easy content exploration, findability, task efficiency, user satisfaction, and automation.These new components of usability are due to the evolution of the Web and personal devices.
The analogy "curb-cut" has been used by advocates of universal usability to explain how ICT products designed for disabled users can be beneficial to all users.Sidewalk curb-cuts are added to accommodate wheelchair users, but the benefits extend to baby carriage pushers, delivery service workers, bicyclists, and travelers with roller bags.
World Usability Day (WUD) or Make Things Easier Day, [1] Established in 2005 by the Usability Professionals Association (now the User Experience Professionals Association), occurs annually to promote the values of usability, usability engineering, user-centered design, universal usability, and every user's responsibility to ask for things that work better.