Lean Six Sigma or Design Sprint (Design Thinking v2.0)?
For both Lean Six Sigma and Design Thinking Professionals however, the decision in choosing either Lean Six Sigma or Design Sprint (Design Thinking v2.0) is usually not the first question to answer. Most of the time, we suffer from "exaggerated confidence based on one's expert experience". Simply put, "If all you have is a hammer, everything looks like a nail (Maslow, 1962)". Which means, for a Lean Six Sigma professional, most problems look like DMAIC can solve, and for a Designers, the 5-day Design Sprint is the way to go.
For those who are knowledgeable of both best practices, the choice of what to use is usually difficult because there is currently no framework in identifying what methodology to pick. Both Lean Six Sigma and Design Thinking professionals say that some problems may be solved by either of the two, or combination of both. This leads to trial-and-error which means more time and more resources spent on projects.
Now, before you react on how inefficient and incompetent BSP is, it was found that there are only 33 misprinted bills out of the millions of pieces BSP is printing in a day, or at least 728 millions of pieces they print in a year. In Six Sigma lingo, it is equivalent to only 0.04 defect per million opportunities, exceeds even the ultimate goal of Six Sigma which is 3.4 defects per million opportunities.
This problem though is a good example on how to clearly distinguish a Design Problem against a problem that can be solved by Six Sigma's DMAIC methodology.
Let's look at how the two problems are difficult:
Can be solved by Design Sprint (Design Thinking v2.0)
This is a perfect "design" problem that can be solved by Design Sprint. Persons involved in designing and launching this new generations coin have not considered critical user experience, lacked user "empathy", and "assumed" that what they think the users need are, are exactly what they really need. The BSP officials should have collected customer insights of the prototype and adjusted the specifications based on the user feedback before minting the new coins.
Design Sprint (Design Thinking v2.0) focuses on 3 things:
1. Developing a New Product or Service that your target customers love.
2. Innovating an Existing Product or Service to make it better for your target customers.
3. Improving the Customer Experience of your existing product or service.
Can be solved by using Lean Six Sigma's DMAIC methodology
(Face and some areas not printed)
*NOT a real life example
(If let's say BSP's target is to print 1 Million pcs of bills per day, and at the end of day only 950,000 pcs were printed)
*NOT a real life example
(Variation of sizes of bills: Some did not meet the standard length, width, or both)
1. Process Defects
2. Process Delays
3. Process Variations
of an existing products or services of a company. The assumption of Lean Six Sigma: a company has a product or service that the customers love. Six Sigma is not after designing a new product or service, but after the company deliver the product or service, with fewer defects, delays, and variations.
Lean Six Sigma is used if your existing product/ service has recurring problems with process defects, delays and variations. It means you still do not know what solutions to do for your problem, because you still do not know what the root causes are.
For Design Sprint (Design Thinking v2.0), the problem is about how to facilitate innovation: How to design a new product or service that your target customers love; How to innovate an existing product or service; and how to improve customer experience of your existing product or service.
Please share your thoughts so we all learn from it.
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Lewis, M., (2016). The Undoing Project (W. W. Norton & Company).
Maslow, A. H., (1962). Toward a Psychology of Being.
Ballaran, J., (2017). BSP takes action to address misprinted P100 bills in circulation. [Online]
Available at: http://business.inquirer.net/243192/bsp-takes-action-address-misprinted-p100-bills-circulation-bsp-p100-bill-misprint-faceless-isolated-incident?utm_campaign=Echobox&utm_medium=Social&utm_s
[Accessed 28 December 2017].
Roxas, P. A. (2017). Binay Wants Halt in Issuance of New P5 coins to Avoid Confusion. [Online]
Available at: http://newsinfo.inquirer.net/955491/binay-wants-halt-in-issuance-of-new-p5-coins-to-avoid-confusion-coins-aguinaldo-bonifacio-p5-new-coins-bsp#ixzz52ZpZ8f2P