What Is Fishbone Analysis?

Ishikawa diagrams are causal diagrams created by Kaoru Ishikawa that show the potential causes of a specific event. Common uses of the Ishikawa diagram are product design and quality defect prevention to identify potential factors causing an overall effect.

What is a fish bone analysis?

A fishbone diagram is a visual way to look at cause and effect. It is a more structured approach than some other tools available for brainstorming causes of a problem (e.g., the Five Whys tool). The problem or effect is displayed at the head or mouth of the fish.

How do you do a fishbone analysis?

Fishbone Diagram Procedure
  1. Agree on a problem statement (effect). ...
  2. Brainstorm the major categories of causes of the problem. ...
  3. Write the categories of causes as branches from the main arrow.
  4. Brainstorm all the possible causes of the problem. ...
  5. Again ask "Why does this happen?" about each cause.
Alexander Ross

Alexander Ross

Gaming, Esports & Interactive Media Writer

Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.