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The cause and effect diagram, fishbone diagram or Ishikawa diagram is a tool used to discover possible causes of an effect.
The tool makes the initial symptom or effect visual at the head of the "fishbone" and categorizes possible causes into groups then sub groups. The fishbone diagram can be used to discover root causes and is commonly used in partnership with a 5 Why analysis.
Have you used the fishbone diagram before? In the comments section below, share your most valuable tip when using the fishbone diagram and receive a coupon for one of Lean Strategies International LLC's courses.
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