4
Case Studies in Holistic Improvement
“Those who are ignorant of history are doomed to repeat it.”
—George Santayana
Case studies are an excellent way to see how Six Sigma is deployed because they look at strategies utilized, plans developed, barriers encountered, and results achieved in terms of process performance and bottom-line results. In our earlier books on Six Sigma (Snee and Hoerl, 2003, 2005), we discussed several case studies that illustrated both successful and not-so-successful deployments.
By circumstance, all the case studies discussed Six Sigma in the early years of deployment. The Six Sigma approach to improvement was just starting to be used. In this chapter, we discuss case studies on three companies: GE, DuPont, and Scott ...
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