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The 5 Whys and the Ishikawa (Fishbone) Diagram are two of the best tools to use in the Analyze Phase. They both enable “Structured Brainstorming.” The Ishikawa allows a group of people to brainstorm potential root causes to a problem, and then the 5 Whys helps you move past symptoms to what might be the…
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Elisabeth Swan

Elisabeth is a Master Black Belt at GoLeanSixSigma.com, the co-author of The Problem-Solver’s Toolkit and co-host of the Just-in-Time Cafe. For over 30 years, she's helped leading organizations like Amazon, Charles Schwab and Marriott International, Inc. build problem-solving muscles with Lean Six Sigma to achieve their goals.
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