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

The average winner. Good mean performance hides failure of a required condition. Separate eligibility from the comparison among eligible options.

Robust in three versions of the same future. Repeated similar scenarios supply little challenge. Test the materially different mechanism that could reverse the choice.

Free option value. The fallback requires maintained interfaces and scarce support that the plan omits. Include them or state the option’s expiry.

A new rule disguised as new evidence. Changed preferences reverse the ranking, but the report says the old observation was wrong. Preserve both comparison bases.