Ishikawa diagram

fishbone or cause and effect diagram

A diagram that organises possible causes of a problem into categories, usually the 6M: man, machine, method, material, measurement and environment. Named after Kaoru Ishikawa.

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Fishbone Diagram: Ishikawa cause and effect diagram with 6M categories, PNG and SVG download.

Related terms

• 5 Why: asking why until the root cause is found
• Pareto principle: the vital few and the useful many