Three of the more common ones are total cost of quality, cost of good quality, and cost of poor quality. Today, you will hear the concept of COQ associated with a number of different quality cost concepts. It was his proposition that a well-designed quality system can be implemented at a far lower cost.
His research over the years showed that most companies will spend between 15%-20% of their annual sales on quality costs. He went on to state that the COQ is the expense of non-conformance. In that article, he introduced the four quality cost categories that are still the basis today for defining COQ.Ĭrosby felt that the only performance measure a business should have is COQ. He defined COQ as having both tangible and intangible costs.Īrmand Feigenbaum expanded the concept in his 1956 Harvard Business Review article on Total Quality Control. Famed quality expert Joseph Juran wrote about the concept of quality cost in his 1951 book titled Quality Control Handbook. The concept of COQ has been around for many years.
#Coq definition how to#
Let’s look at what we mean by COQ, the different elements of COQ, its benefits, and how to go about establishing your organization as a leader in quality products and services.
#Coq definition free#
While many organizations claim to produce or deliver high-quality products and services, do they understand that it isn’t really free? While Quality is Free is the name of a popular quality book by Philip Crosby, he didn’t mean there was no cost to attain higher quality, but that the investment you make in improving quality will be returned quickly. Definition of Cost of Quality (COQ): « Back to Glossary Index
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