threats to quality

Threats to Quality

If, as Gerry Weinberg states Quality is “value to some person” …then the corollary stands that risk is anything that threatens that value.  This can be useful because Quality is an amorphous, shapeshifter, notoriously difficult to nail down. Its final judge is not us but our consumers.  I compare quality to a Black Hole. We can’t […]

Emergent Quality v3 charrett

Emergent Quality

If you work in software development, like I do, you most likely work within a complex system. You also, most likely, work on a complex system. Not sure? Try answering these questions: Is it hard to model your system in all its complexity? Is it hard to work out root causes to identified problems? Is it hard […]

herschell research mavericktester


Caroline Herschel (1750 – 1848) Gold Medal Winner of the Royal Astronomical Society in 1828

Quality and the Toyota Production Model

I saw this tweet the other day prompting this post on quality, visualisation and quality at pace.  Don’t worry @Tracey_san, I am not going to tweet the entire book. “The Toyota Engagement Equation.” #lean — Mark Graban (@MarkGraban) August 3, 2017 Understanding Quality “Quality is value to some person” is a Jerry Weinberg quote emphasising […]

Quality Workshop

How do you help a team to agree on a working definition of quality? I developed this quality workshop for this purpose, but also to help them apply it in a concrete way.

In search of perfection

I knew Flynn was in trouble the moment he created a program Clu 2 as his doppleganger. You see, the purpose of Clu 2 was to create the perfect system. Flynn, a programmer failed to understand the struggle between perfection and quality. I’m guessing he didn’t spend a lot of time in the test team! Of […]