Should the staff that will be observed during the Process Walk be notified before-hand?

Absolutely! Be as transparent as possible. Don’t surprise anyone with a large group interview – that feels disrespectful and can make process workers defensive. If we truly uphold that it’s the process, and not the people in the process, why…
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Tracy O'Rourke - GoLeanSixSigma.com

Tracy O'Rourke

Tracy is a Managing Partner at GoLeanSixSigma.com, the co-author of The Problem-Solver’s Toolkit and co-host of the Just-in-Time Cafe. She is also a Lean Six Sigma Green Belt Instructor at UC San Diego and teaches in San Diego State University’s Lean Enterprise Program. For almost 20 years, she has helped leading organizations like Washington State, Charles Schwab and GE build problem-solving muscles.
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Lean Six Sigma Q&A - GoLeanSixSigma.com

How do you know what the y and x values are?

The “Y” is the main measure of what you’re trying to improve. When conducting process improvement, you’re trying to understand the root causes or “X”s that influence “Y.” On a Box Plot, the “X”s are the different columns or “stratifications”…
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