A CTQ tree is used to decompose broad customer requirements into more easily quantified requirements. CTQ Trees are often used in the Six Sigma

Six Sigma

Six Sigma is a business management strategy originally developed by Motorola, USA in 1986. , it is widely used in many sectors of industry.Six Sigma seeks to improve the quality of process outputs by identifying and removing the causes of defects and minimizing variability in manufacturing and...

 methodology.

CTQs are derived from customer needs. Customer delight may be an add-on while deriving Critical To Quality parameters. For cost considerations one may remain focused to customer needs at the initial stage.

CTQs (Critical to Quality) are the key measurable characteristics of a product or process whose performance standards or specification limits must be met in order to satisfy the customer.