Ursachen-Wirkungs- Diagramm / Fischgrät-Diagramm
To provide a pictorial display of a list in which you identify
and organize possible causes of problems, or factors needed to
ensure success of some effort.
It is an effective tool that allows people to easily see the
relationship between factors to study processes, situations, and
for planning.
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The cause-and-effect diagram is also called the Ishikawa
diagram (after its creator, Kaoru Ishikawa of Japan), or the
fishbone diagram (due to its shape).
It was created so that all possible causes of a result could
be listed in such a way as to allow a user to graphically show
these possible causes. From this diagram, the user can define the
most likely causes of a result.
This diagram was adopted by Dr. W. Edwards Deming as a helpful
tool in improving quality. Dr. Deming has taught Total Quality
Management in Japan since World War II. He has also helped
develop statistical tools to be used for the census and taught
the military his methods of quality management. Both Ishikawa and
Deming use this diagram as one the first tools in the quality
management process.
| PURPOSE | EXAMPLE | SOFTWARE
| RELATED TOPICS | REFERENCES |
Cause and Effect Diagrams are typically constructed through
brainstorming techniques. As a result, they are often drafted by
hand on paper. However, two software packages capable of
displaying the diagram professionally are AutoCad and CADKEY.
| PURPOSE | HISTORY | EXAMPLE | RELATED TOPICS | REFERENCES |
Other tools related to quality control are:
- flowchart
- pareto chart
- run (trend) chart
- histogram
- control chart
- scatter diagram
- checksheet
Also, look for information on:
| PURPOSE | HISTORY | EXAMPLE | SOFTWARE
| REFERENCES |
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