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Commercializing Great Products with Design for Six Sigma by David W. Bacon, Randy C. Perry

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Chapter 17. Relative Importance Survey

After completing the KJ Analysis, the DFSS team will design and conduct a survey of key customers in the targeted market to verify the relative importance of the identified customer requirements. While an initial assessment of relative importance for requirements has been established through the KJ voting process, the survey will provide the team with better importance data obtained directly from customers. This feedback mechanism is a safeguard that ensures the team did not erroneously include or omit key requirements during the KJ Analysis. The survey will also allow the team to verify the most important customer requirements by correlating the survey results against the importance ratings developed during ...

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