Issues in Process Control

Earlier in this series I introduced the topics of Process Capability and Process Control. You may wish to review that article before reading this one. I recently received the following query from one of my Green Belt students: “In my company our manufacturing process has a lot of special variations which makes the process very unpredictable. […] read more

Issues in sampling – a real world example

In a previous article in this series I discussed issues to be aware of when selecting a sample from a larger population. You may find it useful to review that article before reading this one. Samples must be randomly selected in order to be representative of the overall population. Otherwise, we risk introducing bias into […] read more

On January 16th, 2016, posted in: Project Management by

The Kano Model

In a previous article in this series we discussed a number of tools that can be used to do a better job of capturing the Voice of the Customer regarding requirements. Today we will look in more detail at one of those tools, the Kano Model. This model was developed by Dr. Noriaki Kano, a […] read more

On January 2nd, 2016, posted in: Articles, Six Sigma by Tags: , ,

The Theory of Constraints and Six Sigma

When practicing Six Sigma or any other form of process improvement, it is important to focus improvement efforts where they will do the most good. Of all of the things that we could work on, what should we work on in order to return the most benefit to the organization and the customers of the […] read more

On December 22nd, 2015, posted in: Articles, Six Sigma by Tags: , ,