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Source changed 2026-10-14 19:58:00 UTC · snapshot created 2026-10-14 19:58:38 UTC · last check 2026-10-15 02:50:18 UTC

PSDA.9:8 - Common Anti-Patterns and How to Avoid Them

Anti-patternRepair
“The winner is robust” after a few small perturbations.State the claim, variation region, method, and untested failure mechanisms.
Count successful scenarios as a success probability.Supply a qualified probability measure or report conditional coverage only.
Change one input at a time despite common-cause failure.Test the relevant joint conditions under a justified dependence model.
Treat the largest output variance as the best information target.Ask whether attainable information can change a decision or eligibility.
Recommend a pilot whenever evidence is thin.Establish information value, safety, timing, reversibility, and response feasibility.
Change the robustness criterion to preserve the preferred option.Show the different questions and return the criterion disagreement.