Part 1 of 5 - The Fundamentals of Six Sigma

This article is one of a five-part series on the- do we have have measurements in place to monitor
fundamentals of Six Sigma, taken from our Six Sigmaperformance in these areas?
training resources website. Six Sigma is a process- if we do not have a performance measure in place
improvement methodology that uses five phases,for a critical-to-customer area, how can we establish a
known has DMAIC: Define, Measure, Analyze, Improve,metric, and what team will own the upkeep and
Control. The DMAIC approach can be applied to anypublishing of the metric?
situation where a process, be it physical (i.e.Take another look at the first bullet point above.
manufacturing) or transactional, is producingRemember that Six Sigma is about reducing costly
measurable results. Examples of measurable resultsvariation. While Six Sigma can be adapted to most any
can include anything from manufacturing processproblem, it fits best in situations where undesirable
capability to higher level business metrics like customervariation creating waste or dissatisfied customers.
satisfaction.There will be some areas where Six Sigma is not the
The D in DMAIC is about selecting high-paybackanswer. For example, a traditional Six Sigma project is
projects and identifying the underlying metric(s) that willprobably not the best approach for improving a
measure project success.new-product innovation process - benchmarking
Leadership participation is critical to successagainst best-practices might be a much better
Six Sigma projects create incremental work, andapproach to this problem. Remember, it's all about
leadership teams must be convinced that the paybackimproving business results, and tools like Six Sigma are
will be worth the effort. Without senior leadershipa means to that end.
oversight and support, project leaders will typically beThe Define stage deliverable - a clearly defined
overwhelmed with resistance from the organization,project, "Scoped for success"
and will make little progress. This situation can beWith management leading the Define brainstorming
prevented if senior leaders oversee the Definesessions, project teams will have picked up
process and schedule project reviews at regularhigh-payback opportunity areas. Prior to completing the
intervals. We recommend quarterly sessions to reviewDefine stage, the project team must take time to
opportunity areas and define new projects.understand the opportunity area it's been assigned,
The Pareto Principle is alive and wellalong with the supporting metrics that will reflect
The Pareto Principle states that 20% of all potentialprocess performance (in some cases, these metrics
projects will produce 80% of the potential benefits tomust be developed as part of the project).
the business. Of course these are not exact numbers,It's important that the project scope is sufficiently
but we have yet to see a business where thisfocused for success, and a first-pass pareto analysis
concept does not apply. The important take-away isis often required to select a specific opportunity area.
this: Focus your resources. It's better to have fiveHere is an example of general opportunity area that is
projects in the 20% high-impact category than thirtytranslated into a specific project goal -
projects spread across the payback spectrum."Warranty claims are costing the business $100M per
Connecting with the customeryear. Packaging damage represents 10% of all
Project teams will tend to focus on the opportunitieswarranty claims, and equates to a 2,600 PPM claim
they are familiar with on a day-to-day basis. Many ofrate. This project will identify and correct the underlying
the projects in the 20% high-payback group will relatecauses of packaging damage, reducing warranty
to customer satisfaction, and a cross-functional groupclaims in this area from 2,600 PPM to 1,600 PPM. "
of senior leaders will be keenly aware of theThis Six Sigma team has done the up-front work to
improvement opportunities in this area. As an agendadevelop a clear project definition, and can now get to
item on the quarterly Define sessions, we recommendwork with a clearly stated mission in front of them.
that senior leaders from all functions (remember toAdding structure with team charters It's helpful to
include the sales and customer support team leaders)develop a standard one-page team charter template
step back and list the biggest improvementthat the project team presents to senior leadership as
opportunities in front of the business. Questions cana final step in the Define stage. This is typically and
include -Excel or PowerPoint document that helps the team
- where is inconsistent performance creatingthink through the necessary steps to develop a clear
dissatisfied customers?team mission.