Fishbone Diagram

Name and Description

Fishbone diagram, so named because it resembles the skeleton of a fish, is a highly visual technique used to identify and organize potential causes of problems. It is also called a Ishikawa diagram, cause-and-effect diagram, and root cause diagram. This technique was first employed by Kaoru Ishikawa in the 1960s.

References

Ishikawa, K. (1982). Guide to quality control (2nd rev. ed.) Tokyo, Japan: Asian Productivity Organization.

Ishikawa, K. (1990). Introduction to quality control (3rd ed.). London, UK: Chapman & Hall.

Use

To investigate and categorize root causes of a problem. Primarily used to analyze problems in safety, health, environment, quality, reliability, and production or in any situation that ...

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