How exactly both the techniques are different. I know we use root cause analysis is being used in risk identifications and ishikawa for quality related issues and risks. what exactly is the difference?
Ishikawa (a.k.a. Fishbone or Cause & Effect) diagrams can be used as a technique / tool in identifying the root cause of quality related problems or identifying root causes of risk. The Ishikawa technique / tool can be used for both. If I understand this correctly, the root cause analysis is the analytical technique used to determine the root cause and the Ishikawa diagram is a tool that can be used to carry out that effort. Hope this answered your question.
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This interview with Simona Fallavollita (LinkedIn Profile) was recorded at the magnificient Project Management Institute (PMI)® Global Conference 2017 in Chicago, Illinois. We discuss the how, what, why and when of the changes that are coming to the PMP exam.