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One Good Idea: Five Whys and a Why Not
  • Open Access

One Good Idea: Five Whys and a Why Not

Publication:
Quality Progress
Date:
January 2017
Issue:
Volume 50 Issue 1
Pages:
pp. 63
Author(s):
Fogle, Alan, Kandler, Edward

Abstract

The five whys method is a simple way to uncover the root cause of a problem. It can be enhanced by adding a six question, “Why not?” This forces the problem solver to use a different type of thought and tests potential root causes against the original problem. The five whys method is already one of the best tools in the quality toolbox, and by adding a sixth question the thoroughness of the tool is significantly enhanced while maintaining the tool’s simplicity.

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