According to Dr. Joseph Juran, “fitness for use”; defined in terms of both a lack of defects and product feature. Philip Crosby defined it as “conformance to customer requirements.” W. Edwards Deming stated, ” A product or service possesses quality if it helps somebody and enjoys a good and sustainable market.”
(
Critical Chain Project Management by Lawrence P. Leach)

Other Definitions

Quality – The composite of all the characteristics, including performance, of an item, product or service that bear on its ability to satisfy stated or implied needs. In a contractual environment, needs are specified, whereas, in other environments, implied needs should be identified and defined. In many instances, needs can change with time; this implies periodic revision of requirements for quality. Needs are usually translated into characteristics with specified criteria. Quality is sometimes referred to as “fitness for use”, “customer satisfaction”, or “conformance to the requirements.”
(ISO Definitions bizmanualz.com)

Quality – Quality is defined as the totality of characteristics of an entity that bear on its ability to satisfy stated and implied needs. (International Organization for Standardization (ISO)) & (Project Management Body of Knowledge (PMBOK))

J. Jerrald Hayes
I am ex-architectural woodworker and general contractor turned IT, Business and Project Management consultant, software developer wannabe senior division triathlete and ski racer, Yankee fan and founder of Paradigm-360.com, 360 Difference Mac4Construction.com,iOS4Construction.com and now TheBuildingAndRemodelingWiki.com too.
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