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 […]

Many of you who have read our blog know we are fans of the show Aircraft Disaster on the Smithsonian Channel.  We do not like the show for the disaster part, but the root-cause analysis aspects.  These things are intriguing for engineers.  Root cause analysis is an important skill for design engineers, process engineers, and […]

Imagine you are an executive and you are sitting down to your early morning breakfast with the daily paper.  As you read the paper, you find an article about your company and you are stunned to find it is not a flattering article but a description of a traumatic event that has come to a […]

Risk and Time Management In keeping with our last post, we discuss risks due to insufficient time management that often result in project failures.  As is with many things, the symptom of the failure has roots much earlier.  In other words, when we witness the failure, it was due to some event(s) or activities much […]

Qualitative Testing Qualitative tests look for a change in a quality; for example, a color might change. Qualitative tests always involve the use of attributes rather than variables values (e.g., temperature). Consider the Kastle-Meyer test for the presence of blood–an archetype for qualitative forensic testing. The test is impressively quick and functions as a decision […]

Manufacturing Project The project whose scope includes delivery through manufacturing will include some quality assurance steps from the previous blog post to ensure we are able to produce the designed product to the quality expected by the sponsor. Trial Production Run and Problem Discovery The manufacturing team reviews the development of the manufacturing line with […]

In our last blog post, we referred to the APQP  (Advanced Product Quality Planning) activity of DFMEA.  The post was about the attempt to perform late in a project.  The point to the DFMEA in that instance was lost; at best, if we found a serious problem, would be to abort the launch.  The post […]