From the course: Six Sigma: White Belt

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Six Sigma: Fishbone diagram

Six Sigma: Fishbone diagram

From the course: Six Sigma: White Belt

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Six Sigma: Fishbone diagram

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- The fishbone diagram identifies many possible causes for an effect or a problem. It can be used to structure a brainstorming session. It immediately sorts ideas into useful categories. You might also hear this diagram called a cause and effect diagram or an Ishikawa diagram. You can tell why it is called a fishbone diagram because it looks like the bones of a fish and the head of a fish. The head of the fish is the effect, and the bones of the fish are all of the causes. There are six main common categories to discuss for a fishbone diagram, manpower, machinery, methods, measurements, materials and environment. You can use whichever ones apply to your situation, and it doesn't need to be these six. Five whys help identify root causes simply by asking why several times. It doesn't have to be exactly five times, but until the actual reason behind the problem is identified. The five why tool is used to drill down into a…

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