Search for Improvement With Complex Six Sigma [the broken link was removed] 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.
…
of the 156 business-technology executives surveyed by Optimize Research, fewer than 40% report their company even employs Six Sigma.
