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HBOK 1-245

Title Cause and Effect
Author(s) James J. Rooney, Lee N. Vanden Heuvel, Donald K. Lorenzo, Jackson Lorenzo, and Laura O. Lorenzo
Source Quality Progress
Topic Data Analysis
Abstract First developed in the 1960s by Bell Laboratories, cause-and-effect tree analysis looks back in time to identify potential causes of a known event. “And” and “or” logic is used to show combinations of events leading to this top event. One advantage of the technique is that it can help identify multiple-event failures. It can also show design and operational errors. Three examples illustrate the application of cause-and-effect analysis in different situations. An online continuation of the article includes examples of symbols and structures and a nine-step procedure.
Access Restrictions ASQ members and journal subscribers
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Reference Code 1-245

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