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The scales we used in this presentation are somewhat typical of what’s used in the service industry. Processes like car manufacturing have very specific ones focused on vehicles. If you do a Google Images search on FMEA Scales, you can see there are dozens of different options for scales. Then you can adapt them to suit your process. There are no hard and fast rules except that you should make sure you’ve defined the scale for your process.

Elisabeth Swan

Elisabeth is a Managing Partner at, the co-author of The Problem-Solver’s Toolkit and co-host of the Just-in-Time Cafe. For over 25 years, she's helped leading organizations like Amazon, Charles Schwab and Starwood Hotels & Resorts build problem-solving muscles with Lean Six Sigma to achieve their goals.