Over the years we’ve been exposed to Six Sigma, Juran, Deming PDCA, 8D, Dale Carnegie, A3, Shainin, and more. Each technique works pretty well, and has been demonstrated many times in a wide variety of industries and circumstances. At the core they are all essentially the same!
Each approach relies on an underlying logical flow that goes like this: [a] make sure the problem is clearly defined; [b] be open to all sources of information; [c] vet the information for relevance and accuracy; [d] use the process of elimination to narrow down all possible causes to the most likely few; [e] prove which of the suspects is really the cause of the issue; [f] generate a number of potential solutions; [g] evaluate the effectiveness, feasibility and risk of the potential solutions; [h] implement the winning solution(s); and [i] take steps to make sure your solution(s) don’t unravel in the future.
The differences between the paradigms resides in supplementary steps and toolkits. For example, 8D contains the important “In
