Corrective Action Timelines: Fixing the Systematic Underestimate
Why every 8D and CAPA takes twice as long as promised, and how reference-class forecasting forces honest estimates that customers…
The Psychology of Quality
404 articles
Institutional Self-Preservation in Quality Management
Quality departments are created to eliminate defects, but incentive structures often push them to manage problems rather than solve them.…
Departmental Optimisation Destroys the Quality System
Why local KPI maximisation systematically degrades shared quality infrastructure, and the specific mechanisms that realign departmental incentives with value-stream outcomes.
Bottleneck Quality: Applying the Theory of Constraints to ISO 9001 and IATF 16949 Systems
Why optimizing every process simultaneously is a waste of resources. Quality management must prioritize the constraint, because a defect at…
Over-Detection in Visual Inspection: When Good Parts Become Scrap
Experienced inspectors reject conforming parts at rates that would shock their managers. The cognitive mechanism behind false positives — and…
Quality Risk and the Availability Heuristic: Judging Hazard by Memory, Not Data
Why your team overreacts to the last audit finding and ignores the slow, systemic failures. A practical guide to countering…
Inattentional Blindness in Visual Inspection: Why Good Inspectors Miss Obvious Defects
Experienced inspectors fail to see visible defects not from negligence but because of how human attention works. Designing inspection systems…
Process Capability: Why Meeting Specification Is Not a Strategy
A compliant process and a capable process are not the same thing. Here is how to use Cp, Cpk, and…
The IKEA Effect in Quality Management: Why Homegrown Systems Become Untouchable
Quality teams overvalue the tools and processes they build themselves. Recognising the psychological mechanism is the first step to dismantling…
False Consensus in Quality Management: Closing the Knowledge Transfer Gap
Why quality engineers and production teams talk past each other, how the false consensus effect corrodes 8D and CAPA systems,…