Showing Cause and Effect

With the Cause And Effect template, you can diagram the variables that lead to a particular outcome. Cause and effect diagrams are also called fishbone diagrams, after their skeletal appearance, or Ishikawa diagrams, after their inventor, Dr. Kaoru Ishikawa, a quality control statistician. They represent a different paradigm from a flowchart, in which one step leads to another. A fishbone diagram shows input from numerous sources, as Figure 9-12 shows, which makes it a great tool for the following:

  • To study a problem or issue and determine its root cause.

  • To show that success will require efforts from several departments.

  • To identify areas for data collection.

  • To show why a process isn’t running smoothly or producing the desired ...

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