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Root Cause Analysis: Integrating Ishikawa Diagrams and the 5 Whys
An Ishikawa (or fishbone) diagram should be created once the problem statement is written and data has been collected. An Ishikawa diagram should be viewed as a graphical depiction of hypotheses ...
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The Cause-and-Effect (a.k.a. Fishbone) Diagram
Key Points Fishbone diagrams are an effective way to brainstorm root causes for a potential problem. They are especially useful when there isn’t much data available to analyze the problem.