Cognitive Bias in Quality Management: Fighting the Availability Heuristic
Manufacturing organizations systematically over-respond to dramatic defects while ignoring chronic statistical losses. Here is how to re-align quality resources using…
The Psychology of Quality
397 articles
Requisite Variety in Quality Management: Why Rigid Control Plans Fail
A control plan that knows exactly one response is a system waiting to collapse. Ashby's Law explains why procedural rigidity…
Overvaluing Internal Processes: The IKEA Effect in Quality Management
Why organisations defend mediocre processes and reject superior external solutions. Three mechanisms of the bias, five countermeasures that work on…
Confirmation Bias in Quality Management: How Selective Evidence Kills Your System
Your quality system is not failing because of bad data. It is failing because good data is being filtered out…
The Gambler’s Fallacy in Quality Management: Chasing Patterns That Do Not Exist
Why believing a defect is 'due' after a long good run, or assuming bad luck is 'behind you' after a…
Loss Aversion in Quality Systems: Why Good Plants Stop Improving
The cognitive bias that makes losses feel twice as painful as gains is quietly paralysing your quality system. Here is…
In-Specification Variation: How Small Process Shifts Become Field Failures
Standard quality tools catch deviations. They miss perturbations within spec limits that amplify through coupled processes. Here is how to…
Shared Resources and Quality System Decay: Breaking the Manufacturing Tragedy of the Commons
When multiple departments share equipment, data, or spaces without singular ownership, preventive maintenance and quality control collapse. Here is how…
Designing Quality Systems for the Principle of Least Effort
Operators take shortcuts not from apathy, but because cognitive energy conservation is a biological imperative. Quality systems must make the…
Environmental Quality Signals: How Shop Floor Conditions Determine Compliance
Operators read the physical environment faster than any work instruction. Scratched fixtures, expired calibration stickers, and cluttered benches teach the…