Inattentional Blindness in Visual Inspection
Why certified inspectors miss defects in plain sight — and why retraining, checklists, and exhortations to 'pay attention' make the…
The Psychology of Quality
397 articles
The Golem Effect in Quality Management: How Low Expectations Drive Defect Rates
When supervisors assume failure, operators deliver it. The Golem effect is an uncontrolled variable that shifts your process mean and…
Applying the Kano Model to Quality Engineering Prioritisation
Why your most expensive engineering improvements often go unnoticed by customers—and how to redirect quality investment toward the characteristics that…
Goodhart’s Law in Quality Management: When KPIs Diverge from Reality
Why attaching consequences to a single quality metric guarantees the metric will be gamed — and how to design measurement…
Marginal Gains in Quality Management: Compounding 1% Improvements Into Structural Advantage
Pareto analysis finds the vital few defects, but sustainable advantage is built in the margins. Here is how to systematise…
Herzberg’s Two-Factor Theory Applied to Quality Management Systems
ISO 9001 procedures, calibrated gauges, and operator training prevent failure. They do not drive excellence. Here is how to diagnose…
Second-Order Thinking in Quality Management: Anticipating the Consequences of Your Fixes
Corrective actions frequently solve the immediate defect while silently creating a new failure downstream. Building second-order thinking into your CAPA…
Survivorship Bias in Quality Management: Learning From the Failures You Never Studied
Quality systems systematically study their successes while ignoring cancelled projects, lost customers, and failed processes. Here is how to build…
The Narrative Fallacy in Quality Management: When Fiction Becomes Strategy
Root cause analysis is only as reliable as the human interpreting the data. The narrative fallacy systematically derails 8D investigations,…
False Consensus in Quality Management: How the Abilene Paradox Derails IATF 16949 and AS9100 Programmes
Unanimous approval of quality initiatives often masks private, organisation-wide doubt. Here is how to detect the Abilene Paradox and engineer…