Chapter 17 – The Management and Control of Quality
17–51
17–49 Research Assignment, Strategy (60 Minutes)
1. As noted in the forward to the article (HBR, July-August, 2005, p. 107):
When the Gallup Organization applied Six Sigma principles to sales and
service groups at several companies, it learned how much performance
variation exists between seemingly similar work groups. Managing that
variability can raise overall performance by orders of magnitude and can
create organic growth.
In Chapter 17, we discuss the notion of improving quality through a reduction in
variation from standard. However, this discussion was made solely within the context
of a manufacturing setting. Thus, in that context, students come to realize that quality
can be measured by the extent to which there is variation in product specifications.
The overall purpose of the cited HBR article is to extend student thinking by applying
the manufacturing-based notion of process variation to the management of human
capital. As such, the discussion pertains (as illustrated by the above quote) to sales
and customer-service groups within organizations.
2. Six Sigma, as developed and applied in a manufacturing setting, focuses on
underlying engineering (or economic) relationships and in this sense is considered
data-driven, rational, and analytical. In short, typical Six-Sigma implementations
require the use of rigorous analytical standards; the goal is to refine and continuously
coined by the authors to describe the quality-improvement approach they developed.
Notably, rather than focusing on the management of physical processes, Human
Sigma represents a way to manage the employee-customer encounter.
3. The authors propose that a single overall metric, called the “Human Sigma score,”
which combines two performance indicators—employee and customer engagement.
(The particulars regarding this metric are provided on page 114 of the article.) At its