What are CTQs in Six Sigma?

Critical to Quality (CTQ) Trees help you translate broad customer needs into specific, actionable, measurable performance requirements. CTQ Trees were originally developed as part of the Six Sigma methodology. You use the tool by first identifying the critical needs of your customers.

How is CTQs defined?

CTQs 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. These outputs represent the product or service characteristics defined by the customer (internal or external).

Why is it useful to identify the CTQs rather than general requirements statements?

Why is it useful to identify CTQs rather than general requirements statements? A Critical to Quality Tree (CTQ Tree) reflects what the consumers of your process cite as absolutely essential to success. This helps clarify what is considered a defect in the process.

Why is CTQ important in a six sigma project?

CTQs are very important while developing a product or service. In Six Sigma and other continuous improvement projects too, CTQ plays a critical role as the main purpose of many of these projects is to provide a product or service that satisfies the customers on various parameters.

Is the CTQ the same as the CTCs?

CTQs are the internal critical quality parameters that relate to the wants and needs of the customer. They are not the same as CTCs (Critical to Customer), and the two are often confused.

How is a CTQ tree used in a project?

A CTQ Tree takes the form of a simple diagram that helps project teams identify, list and zero-in on what is most important to the customer. The CTQ tree consists of three components. Need – This is the starting point for understanding how to delight the client.

When to use critical to Quality ( CTQ ) tool?

February 26th, 2018. Critical to Quality, or CTQ, is a very important tool when designing a new product or service for your business. CTQs are the measurable data that is needed on a product or service that your customers have specified as being a very important requirement.