The Fishbone (Ishikawa) Diagram: A Comprehensive Guide to Effective Problem Solving
The short answer A fishbone diagram (also called an Ishikawa or cause-and-effect diagram) is a visual tool that maps the potential causes of a problem across six categories — People, Process, Materials, Machine/Technology, Measurement, and Environment — so teams investigate root causes systematically instead of guessing. You build one by stating a specific problem as…


