D40-F05-A07 · GUIDED LEARNING LAB · SYNTHETIC DATA
Cost-Sensitive Threshold Optimization
Change false-negative cost and watch the minimum of the complete candidate-threshold cost curve move.
Teaching stage
Choose → step → observe → explain → compare
Try
Observe
Do not concludeThis synthetic lab validates metric mechanics, not production fitness, fairness, compliance, causation, or policy approval.
Compact evidence trace
Only the rows needed to explain this state are shown; the canonical implementation remains the source of truth. Accessibility QA can force deterministic reduced motion with ?reduced-motion=1.
| Evidence | Current value | Why it matters |
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