PerformanceThe performance of users in completing a task. For example, 99.5% of users will be able to able to perform an international bank transfer with the banking app the first time without assistance. user interface is used repeatedly by customers or employees in their work they may be primarily concerned with productivity requirements. For example, "As a production manager, I want to be able to see the status of all workstations in one screen."broad a group of people as possible including people with disabilities. For example, "A can of coffee so easy to open and reseal that you can do it without using your hands."
User FriendlinessRequirements that things be delightful to use. For example, a baby stroller that is easy to seal against hard rain within 20 seconds.difficult to get wrong. For example, a chair that is assembled by customers may have the requirement that it be impossible to fit parts together incorrectly. easy to find. For example the customer requirement that a user interface avoid "cryptic icons that are too abstract and meaningless."
UndoRequirements for a safe environment where users can try things that are possible to undo. flow through tasks without being interrupted. For example, a customer requirement for a banking website such as "As a customer, I want to logon without popup offers and information that don't apply to me."
Customization & PersonalizationRequirements to customize or personalize things for the user. For example, the customer requirement that they would like to customize the layout of menus.User engagement related requirements such as environments that are fun and stimulating. For example, the requirement that 95% of customers rate a tool as fun to use.
|Overview: Usability Requirements|