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 […]
We are composing a glossary of test terms and we take one from that work today and discuss here. A development organization can be structured in many ways. The development and testing can be essentially one department under one management structure, or these two areas, development and test can be separated each with a respective […]
Today we discuss interchangeability of parts. This may sound trivial, but you probably would not even consider replacing your food processor blade with your lawnmower blade. It would be obvious that these are not interchangeable. However, there are times when a part needs to be replaced or design is reworked altering the composition, that is […]
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 […]
You are in college now, and you see people that are likely smart as far as youth will provide. Everybody can have strong “opinions” and perhaps their track record in high school has been one of success after success or being the person known to be knowledgeable – as far as high school topics go. […]
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 […]
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 […]
by: Shawn P. Quigley & Jon M Quigley Measurements and Bias Solely by the process of observing something we can alter the thing which is being observed. This is a known as the observer-expectancy effect. This effect is born out of conscience and subconscious biases of the observer. In the case of observing people, we […]
Verification and Validation The definition for verification and validation can be found at[1]: We must express some disagreement with the activities associated with the individual areas. For example, testing is not limited to Validation. Testing is also a function of verification as we will use these techniques to understand if the instantiation of the […]
Having the plan is only partially helpful. The list of test cases and the expected rate of accomplishment allows us to refine our estimates as we progress through the testing. We will be in a position to provide the project manager and stakeholders with a better “ETA” (Estimated Time of Arrival) just like the GPS […]