Search for Improvement With Complex Six Sigma

Search for Improvement With Complex Six Sigma by Helen D'Antoni:

To understand what companies are doing to curtail costs while improving performance, InformationWeek's sister publication, Optimize magazine, conducted a survey of 156 business-technology executives, asking them about their company's business-process frameworks, quality models, and technology standards.
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of the 156 business-technology executives surveyed by Optimize Research, fewer than 40% report their company even employs Six Sigma.