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Ishikawa diagrams (also called fishbone diagrams, herringbone diagrams, cause-and-effect 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. Each ...
Two primary techniques are used to perform a five whys analysis: the fishbone (or Ishikawa) diagram and a tabular format. These tools allow for analysis to be branched in order to provide multiple root causes. Criticism. The five whys technique has been criticized as a poor tool for root cause analysis.
Histogram. Pareto chart. Scatter diagram. Flow chart. Run chart. The seven basic tools of quality are a fixed set of visual exercises identified as being most helpful in troubleshooting issues related to quality. [1] They are called basic because they are suitable for people with little formal training in statistics and because they can be used ...
Kaoru Ishikawa (石川 馨, Ishikawa Kaoru, July 13, 1915 – April 16, 1989) was a Japanese organizational theorist and a professor in the engineering faculty at the University of Tokyo who was noted for his quality management innovations. He is considered a key figure in the development of quality initiatives in Japan, particularly the ...
Requires training in the 8D problem-solving process as well as appropriate data collection and analysis tools such as Pareto charts, fishbone diagrams, and process maps. Problem solving tools. The following tools can be used within 8D: Ishikawa diagrams also known as cause-and-effect or fishbone diagrams; Pareto charts or Pareto diagrams; 5 Whys
Pareto principle. The Pareto principle may apply to fundraising, i.e. 20% of the donors contributing towards 80% of the total. The Pareto principle (also known as the 80/20 rule, the law of the vital few and the principle of factor sparsity [1] [2]) states that for many outcomes, roughly 80% of consequences come from 20% of causes (the "vital ...
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