Useine
Useine is a term used in design and human–computer interaction discourse to denote a composite metric of a product’s functional usefulness. Unlike single metrics such as efficiency or satisfaction, useine is intended to reflect how well a design supports real-world tasks across contexts.
Etymology: The coinage blends 'use' with the suffix '-ine' to form a noun indicating a measurable property.
Definition and components: A useine score typically integrates usability, usefulness, accessibility, and adaptability to different user
Measurement: Useine is usually calculated from a mix of laboratory testing, field studies, user surveys, and
Applications and critique: In practice, teams may use useine to compare design variants and track improvement.
See also: usability, user experience metrics, usability testing, product metrics.