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TOPIC: Root cause analysis vs cause effect diagram

Root cause analysis vs cause effect diagram 5 months 3 weeks ago #20481

  • Hamza Droussi
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what is the difference between root cause analysis and cause effect diagram ?? i'm little confused because the two have the same objective!!

Root cause analysis vs cause effect diagram 5 months 3 weeks ago #20482

  • Harry Elston
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Root cause analysis is a process. There are a number of RCA techniques, such as 5-Whys, Fault-tree analysis, failure modes and effects analysis. A cause-effect diagram is a way to map or display the results of a root cause analysis. Examples include a BowTie diagram, Fishbone (or Ishikawa diagram) or display called "causal mapping."

They both have the same end point in that they are trying to find the root cause for a failure. One is a process or technique, the other is a display of the process or the results of the process.

Hope that helps
Harry J. Elston, Ph.D., CIH, PMP
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