A fishbone diagram visualizes the potential causes of an effect, problem, or event. You can make cause and effect diagrams just like these examples in minutes using SmartDraw!
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You'll find a few examples of cause and effect diagrams on this page.
These diagrams are known by many names including cause and effect diagram, Ishikawa diagram, Herringbone diagram, fishbone diagram, and Fishikawa.
Ishikawa diagrams were first created by Kaoru Ishikawa who used them as quality control tools in his shipyards to manage processes in the 1960s. Now, they're an essential quality control tool.
Start any cause and effect diagram with the main problem or issue you're trying to resolve. A line called the "spine" or "backbone", hence fishbone diagram, will extend to the left of your main problem with branches that angle off to the side. These branches will contain specific issues or just large categories of potential causes. These causes can be generated using a brainstorming session or hard data.
You can make a cause and effect diagram just like these fishbone examples in minutes using SmartDraw!
6Ms cause and effect diagram example used in the manufacturing industry. It depicts potential quality control issues in 6 categories:
Sometimes two additional categories are separated out: "Maintenance" and "Management" creating an 8M's cause and effect diagram.
The 8Ps fishbone diagram example is often used in Administration or Marketing. This type of fishbone diagram collects potential causes in 8 distinct categories:
This is another example of an Ishikawa diagram used in the service industry. It visualizes causes in 4 categories:
Alternatively, "Safety" is sometimes added to this as the 5th "S".
Once the diagram has been completed, analyze the information to come to a solution.