By Jon M. Quigley I saw a LinkedIn post yesterday about the scope of testing during times of compressed schedule. The position was to test what is new in the software, and of that new, what is the most important, perhaps meaning what if it goes wrong, would be the worst for the client or […]
Variation! Though sometimes we may refuse to recognize it, the world is a full of variation, even in the things we think or believe are constant. For example, my wife has been known to say, “you always do…” or “you never do…”, to which I retort, I am human and I am not that repeatable. […]
Poke Yoke Jon M Quigley There are a set of tools and techniques that come with developing products for the automotive industry and are part of the Advanced Product Quality Planning for the product. We have written about APQP or some years and have decades of experience in this approach to product development. In general, […]
Missing Requirements Sometimes the best way to convey the challenges in product development, is to show some of the reasons things can go wrong. To that end I am going to regale you with a tale of requirements gone astray. Wearing Many Hats I worked at a small company a long time ago. I am […]
Why formalize root cause analysis? There are many approaches to determining the root of our problems. In the automotive world, there are two typical approaches, the 8D or the 8 Discipline, or the A3 (named for the paper size). We will not go into the details of either of these approaches but you can find […]
Independent Test and Verification We are composing a glossary of testing terms and we take one from that work today and discuss here. We welcome any and all that would like to contribute. Today we discuss development and independent test and verification. A development organization can be structured in many ways. The development and testing […]
Flip a coin, heads, or tails. The probability that it will come up heads is 50%; there are only two sides. Flip that same coin again, the same probability, 50%. However, if we say that success is two successive heads (or tails) that is different. The probability of two consecutive heads is the product of […]
There have been some twitter discussions going on about the validity of the term end-to-end (E2E) testing. I have been around this concept for many years and still see the validity in the term and the approach. To that end, I will describe as quick and briefly as I can since this is a blog […]
I read the article Product Beats the Process and felt compelled to respond Product Beats Process The author, Jeff Morris Jr. is right, the populous or customers at large probably do not care about how we arrived at the product. They do not care about the process. They do not care about the creative problem […]
by: Shawn P. Quigley Whereas we have discussed some of the possible flaws in measurements we can all still agree that they are needed to provide both improvement in processes and the organization. However, other aspects of obtaining data for the production of quantifiable information: trend analysis and process evaluation, is the human factor both […]