11 Facts About Usability

Usability can be described as the capacity of a system to provide a condition for its users to perform the tasks safely, effectively, and efficiently while enjoying the experience.

Usability includes methods of measuring usability, such as needs analysis and the study of the principles behind an object's perceived efficiency or elegance.

Usability considers user satisfaction and utility as quality components, and aims to improve user experience through iterative design.

Usability describes the quality of user experience across websites, software, products, and environments.

Usability can include the concept of prototypicality, which is how much a particular thing conforms to the expected shared norm, for instance, in website design, users prefer sites that conform to recognised design norms.

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Usability testing is the measurement of ease of use of a product or piece of software.

Usability continues, however, "But even that is a less than useful goal since only 25 percent of the population depends on intuition to perceive anything.

Usability inspection is a review of a system based on a set of guidelines.

Usability tests involve typical users using the system in a realistic environment [see simulation].

Usability is seen as a vague concept, it is difficult to measure and other areas are prioritised when IT projects run out of time or money.

Usability practitioners are sometimes trained as industrial engineers, psychologists, kinesiologists, systems design engineers, or with a degree in information architecture, information or library science, or Human-Computer Interaction.