The Fishbone Diagram for Root Cause Analysis (RCA) is one of the most essential methods of problem-solving and process improvement. In this tutorial, I'll guide you through performing Root Cause Analysis using this powerful Diagram. A fishbone diagram is also known as the Cause-and-effect diagram and the Ishikawa diagram. Business Analysts often use this diagram as an essential input to a comprehensive business case.
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The first segment explains the foundational principles of Fishbone Diagrams, breaking down the main components of the diagram including the problem, cause categories (major causes), and sub-causes, which includes the discussion of primary causes, secondary causes, and tertiary causes. One aspect of the fishbone diagram that is often a point of contention is deciding the appropriate cause categories. Some common categories include the 8 Ms, which includes Manpower, Machines, Materials, Methods, Management, Measurement, Maintenance, and Mother Nature. There are also the 8 Ps, which involve Product, Place, People, Process, Promotion, Productivity, Price, and Physical Evidence. There there is the 4 Ss, which include Surroundings, Suppliers, Systems, and Skills.
In this video, I also include a detailed fishbone diagram example to illustrate how to use the tool to navigate through the root cause analysis process with root cause analysis techniques such as five whys and brainstorming. Whether you're aiming to refine your RCA capabilities or seeking to elevate your problem-solving, this video is your one-stop destination for practical insights and actionable strategies.
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