How to Determine Root Cause Using a Fishbone Diagram. A fishbone diagram, also known as the Ishikawa digram after its inventor, is a visual representation of all causes that result in a particular ...

Fishbone diagrams aren’t detailed by design but can help hone in on problem areas. While they are used in problem-solving, fishbone diagrams aren’t intended to remediate issues.

A successful fishbone diagram is led by a facilitator—one individual on the team who’s job is to remain impartial to the discussion, write down the identified causes on the fishbone diagram, and let ...