One of the most frustrating aspects of working with Chinese suppliers is that, for the most part, they don't want to (or cannot) conduct a root cause analysis. Let's say you found a serious issue in one of your productions and you don't want it to come back in the future. You ask for an investigation into that problem. And they come back with very superficial responses that are clearly still far from exposing root causes. Here are very common excuses: "It is due to an issue on the … [Read more...]
Fixing Problems at the Root: ‘Upstream Thinking’
I have been enjoying the book Upstream: The Quest to Solve Problems Before They Happen by Dan Heath. It is not really a business book, as it covers many examples outside of business, but it does a great job of arguing in favor addressing problems at the root cause level. … [Read more...]
A Good Way To Analyze Data to Drive Process Improvements
I just read the book Measures of Success by Mark Graban, and I found it does a great job of covering the basics of how managers should work with data. His whole approach is largely based on concepts from Don Wheeler's books. If you are not familiar with Don Wheeler, he is the most respected manufacturing-focused statistician of the past 30 years. Graban covers what to do in two cases managers don't like to see. Case 1: an unstable process leading to a widely fluctuating … [Read more...]