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I think it’s very important to collect some level of data to show improvement, otherwise people just use anecdotal data. Data collection can be hard and even time-consuming, but if we always remember to make it meaningful and manageable, we can usually figure out some happy medium for data collection. It could be as easy as counting the number of process steps before and after the improvement!

Tracy O'Rourke

Tracy is a Managing Partner & Executive Advisor at She is also a Lean Six Sigma Green Belt Instructor at University of California 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.