Base Rate Fallacy in Quality: Why Dramatic Defects Steal Resources from Real Risk
Quality teams systematically over-invest in dramatic, rare failures while ignoring the high-frequency base rates that drive the majority of defect…
The Psychology of Quality
404 articles
The Law of the Instrument in Quality Management
Why organisations force every problem through a single methodology, and how to build a quality function that selects tools based…
Removing Unexplained Quality Controls: Chesterton’s Fence in Manufacturing
When lean initiatives target undocumented inspections, the cost of removal is often delayed and catastrophic. Here is a framework for…
Problem Framing in Quality: How the Wrong Question Costs the Most
The most expensive quality failures begin not with bad data, but with the wrong question. Here is how cognitive bias…
Parkinson’s Law in Quality Management: How Deadlines Dictate Corrective Action Duration
Quality projects expand to fill the time allotted. If you want faster corrective actions and leaner 8D cycles, stop allocating…
How the Narrative Fallacy Corrupts Root Cause Analysis
When teams build compelling stories around defects, the explanation feels satisfying but the data gets ignored. Here is how to…
Pareto Analysis for Quality Leaders: Finding and Fixing the Vital Few Defects
Most plants draw the Pareto chart, nod at the skewed bar graph, and go back to fixing everything at once.…
The Overconfidence Effect in Quality Management: How False Certainty Creates Hidden Defects
Cognitive bias causes experienced quality teams to overestimate process stability, underestimate risk, and abandon the verification that catches drift. Here…
Applying the Cynefin Framework to Quality Problem-Solving
Why standard root cause analysis makes some quality problems worse, and how matching your methodology to the problem domain prevents…
Expertise as a Quality Risk: Managing the Einstellung Effect in Engineering Teams
Experienced engineers solve familiar problems fast. That same pattern recognition blinds them to better solutions. Here is how to build…