Ishikawa diagrams were proposed by Ishikawa in the 1960s, who pioneered quality management processes in the Kawasaki shipyards, and in the process became one of the founding fathers of modern management.
It was first used in the 1940s, and is considered one of the seven basic tools of quality control.It is known as a fishbone diagram because of its shape, similar to the side view of a fish skeleton.
Mazda Motors famously used an Ishikawa diagram in the development of the Miata sports car, where the required result was "Jinba Ittai" or "Horse and Rider as One". The main causes included such aspects as "touch" and "braking" with the lesser causes including highly granular factors such as "50/50 weight distribution" and "able to rest elbow on top of driver's door". Every factor identified in the diagram was included in the final design.
Cause-and-effect diagrams can reveal key relationships among various variables, and the possible causes provide additional insight into process behavior.
Causes can be derived from brainstorming sessions. These groups can then be labeled as categories of the fishbone. Causes can be traced back to root causes with the 5 Whys technique.
This App will provide you a template on iPad to develop fish-bone diagram to solve your problems or develop new products.Hit the corresponding text of Cause1/Cause2/effect and add your own causes or effect.Give a name to the current diagram and save it.
Menu > New Diagram - for new diagrams
Hit Action button to print the diagram.
Hit drop down button to view and select saved diagrams.
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