UX Glossary

A usability metric which measures how easy it is to begin productively using an application or interface. That is, how much – if any – training is required?

A term given to a set of design areas that focus on the interaction value of content, as opposed to its presentation or information value. The interaction topics include Web controls, error handling and feedback systems. The value of the term “interaction design” is relative; i.e., it is intended to differentiate these topics from other topics [...]

Part of the conceptual design stage; primarily associated with defining an organization for web site content (but can include characterizing task flows or task relationships within a content organization). Includes the processes of defining site hierarchies, content organization and labeling schemes for all types of menu systems, and the techniques for creating and evaluating them.

Also known as an expert review. Systematic inspection of a user interface design, measuring it against a set of usability heuristics in order to identify and prioritize usability problems. Comparison of a site with a very short and simple set of general principles. Heuristic reviews are quick and tend to catch a majority of the problems [...]

A set of principles developed by the Gestalt Psychology movement that established rules governing how humans unconsciously create order from a complex field of objects.

A direct data gathering method in which a small group (8-10) of participants are lead in a semi-structured, brainstorming session to elicit rapid feedback about an interface under development. Focus group data is most useful for generating new ideas or functions for an interface, rather than evaluating an existing one. Group dynamics often make focus group [...]

A direct data gathering method in which the usability analyst “shadows” an end-user through their day/tasks. Helpful for developing a clear understanding of both the context of the tasks and a compressive environmental analysis.

Represents a system structure as users perceive it. Begins the transition from research and planning into precursors for design including task design and information architecture. Sets the foundation for developing a site navigation framework by clearly defining the users, their tasks and environment, and how they conceptualize information architecture. Includes usability testing of task design and [...]

A usability testing strategy in which a developer group systematically evaluates each element on every screen in the context of the various tasks (e.g., how likely would a user be to click this button on Task A? What would happen if they did? etc.).