They may have referenced outdated documentation and used an old process instead. In order to understand the deeper cause, use the 5 Whys brainstorming technique to ask “Why?” several times within your brainstorming session.įor example, if you identify that an employee skipped a critical step in your process, ask what contributed to them skipping that step. Often, the initial causes you identify are actually symptomatic or a secondary cause of a deeper issue. ![]() These causes can be listed in your diagram by connecting them to the “bone” of the factor they fall under. For an Equipment or Machine category, you may identify an equipment failure. For a Manpower or People category, you may identify that an employee skipped a step or that there was no manager available to approve the product at a certain step in the process. Next, brainstorm specific causes that may occur or identify things that occurred within each of the categories your team defined. Step 3: Brainstorm Specific Causes Within Each Factor These categories become the “bones” of your fishbone diagram. Feel free to edit the categories as needed for your business, but be careful not to exclude anything that may have contributed to your issue. Depending on the situation you’re investigating or your business model, these categories may fit perfectly or they may not resonate. Some teams use “the 6 Ms” as these categories: Manpower, Material, Method, Mother Nature, Machine, and Measurement. These should be broad categories to guide brainstorming, such as Equipment, Environment, Rules/Procedures, and Staff/People. Second, consider what types of factors could have contributed to the problem. Step 2: Identify the Potential Factors Causing the Problem A patient was given a dose of a medicine they reported being allergic to, causing them to experience a medical emergency.An uncredentialed person accessed the production facility, contaminating several batches of our product. ![]()
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