User Requirement

The International Usability and UX Qualification Board (UXQB) distinguishes between

Definition of Qualitative User Requirements

A statement of what users must be able to locate, recognize, understand, select or input as part of performing a task with the interactive system.

Definition of Quantitative User Requirements

Required level of usability to meet identified user needs expressed in terms of effectiveness, efficiency and user satisfaction in a specified context of use.

(CPUX-UR – Curriculum (Version 1.3, June 2016))

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