A Cause-and-Effect Diagram, also known as an Ishikawa, is a effective tool used to organize and prioritize potential causes of a issue or obstacle. Developed by Japanese quality control expert Kaoru Ishikawa in the 1950s in the 1850s the Ishikawa Diagram is a graphical representation of the possible causes of a problem, helping to facilitate the problem-solving process.
The fundamental principle behind a Fishbone Diagram is to break down a complex issue into less complicated components, allowing you to acknowledge the underlying causes and Lean Manufacturing consultant effective solutions. The diagram has a resemblance to a fish skeleton, with the problem or issue at the tail and the potential causes branching off into different categories.
The KJ Method Diagram typically consists of seven main categories, also known as the six thinking hats approach, coined by Edward de Bono de Bono.