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Project Management & Agile · Intermediate

Fitness for Use

Quality definition attributed to Joseph Juran: a product is of quality if it meets real needs of its users.

Definition

Juran also introduced the quality trilogy (planning, control, improvement) and popularized the Pareto principle for quality. Philip Crosby emphasized conformance to requirements and zero defects; W. Edwards Deming emphasized continuous improvement and management responsibility.

Example

A reporting tool that meets all specs but is unusable by its users is not fit for use.

Exam tip

Match quality theorists: Juran - fitness for use; Crosby - zero defects; Deming - PDCA and 14 points.

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