Skip to content

Glossary · Optimization and failure dynamics

Common-mode assurance

4Validation

Supposedly independent evaluators share a model family, data, prompts, or evidence and therefore fail together. Measure channel coupling and diversify mechanisms across development and certification.

Defined in

Handbook · PracticeAnti-patterns and failure vocabularySeventeen named ways evaluator systems fail, each with its tell, its layer and its fix.
Channel coupling
Dependence among supposedly independent assurance channels, measured by joint miss rates: does one channel miss what the other misses? High coupling means the Swiss-cheese holes line up.

See it in the full glossary →