I believe Six Sigma can be a very effective tool to optimize business processes, but –perhaps through overuse– it has become a bit of a caricature of itself:
So I thought it was a bit unfortunate that the authors decided on this title for what is such a great resource, since it is likely to scare off many that are tired of the Six Sigma ‘management fad’.
I’ll leave the defence of Six Sigma to the many other blogs that evangelize on the topic, and instead talk about why this is such a valuable resource for those trying to improve their business.
This book illustrates that, not only is customer and employee engagement simple to measure, but there is a direct and quantifiable correlation to business performance.
For example, when you measure your customer and employee engagement, you will find that the parts of your business that have top 50 percentile scores on both will be providing you with 2-4+ times the returns of those that are below average in both categories.
This triggers the obvious circular debate on whether or not improved business performance leads to more engaged employees/customers or the other way around, but they –being Gallup– did research on this as well, and they claim that high employee and customer engagement scores predict business outcomes with much more certainty than business outcomes predict engagement.
This is where the Six Sigma-sourced concept of DMAIC comes in (define, measure, analyze, implement, control). If you know that improving customer and employee engagement has a direct link to positive business outcomes, why don’t you measure it and try and improve it?
I was sceptical that such a direct correlation could be made, especially since its hard to compare businesses to each other with so many potential variables between them. What convinced me was analysis of branch offices within the same company (fixing many of these variables). The authors (John H. Fleming, Ph.D. & Jim Asplund) describe studies where branches within a bank were measured for employee and customer engagement. When the results were plotted, they looked something like this:
It  just looks like a random scatter plot, with some branches low on both employee and customer engagement (the book discusses how to measure this), some were strong in one area but weak in the other, and some had high levels of both customer and employee engagement. They suggest that all businesses have these pockets of engagement excellence and weakness. This gets interesting when they show how these business units perform financially:
What the numbers in the quadrants mean are, based on Gallup’s research, the branches/units in the top right ‘optimized’ quadrant of employee and customer engagement will be “3.4 times more effective financially than units that rank in the bottom half in both measures.” I have done a lot of work in the area of employee engagement, and often had to struggle with not having a ‘business case’ to prove its importance importance and value (beyond the intuitive); so it was exciting for me to see not only the quantifiable gains that employee engagement can bring (~+70%) but also that customer engagement is just as quantifiable!
The explanations of what ’3.4 times more effective financially’ were a bit weak in my opinion, and this is one of the few negatives I have about this book. They do cite some specific examples like “optimized HumanSigma stores generated $21 more in earnings per square foot of retail space on average than all other stores combined” (if I knew what was typical for retail, this might mean something for me… Google tells me average REVENUE per square foot should be ~$1000/yr, so a ~2% increase in margin sounds pretty good for retail). It seems that companies implementing HumanSigma will have to calibrate this methodology against their own important metrics to see how well this holds true for their own businesses (and some unfortunately will need to create these metrics in the first place!).
The main take away from this part of the book was that there is strong positive non-linear relationship between improving both employee and customer engagement and the resulting business outcomes.
In fact, the book goes into more detail on how, as business units move towards the upper right of the graph (an area they call ‘HS6′), the business performance is 5.2x the revenue growth! This detail also includes a distribution of business units in Gallup’s database with 5% falling into the HS1 band (1.0x) and about 1% of units that they have measured achieving ‘HS6′ status. About 60% of business units in Gallup’s database fall into the ‘HS2′ & ‘HS3′ bands where  performance is between 1.8 & 2.5 times.
So how do you improve customer and employee engagement? The majority of the book covers this topic and provides a lot of good guidelines on not only what the key motivators to engagement are, but how to influence them. One such approach in the employee engagement domain was the topic of our previous post “Learning the Language of Inspiration”.
I will share some of the key learnings from this book with you in later posts. I highly recommend this book for anyone who wants to get more out of their business, large or small!





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