Library / Problem Structuring and Decision Support Principles Framework
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PSD.11:8 - Common Anti-Patterns and How to Avoid Them

Anti-patternRepair
Compare a component’s score with a whole arrangement’s outcome.Obtain consequence claims for the same receiving subject and use.
Use favorable conditions for each alternative.Hold the comparison basis fixed or show explicit conditional branches.
Sum separately advertised benefits.Recover overlap, interaction, and the qualified whole-arrangement result.
Treat overlapping uncertainty intervals as equality.State what relation the bounds actually support and what joint information is missing.
Rank a failed protected condition by compensatory score.Keep eligibility separate and return the failure.
Call an archive front a consequence comparison.Recover the actual comparator, consequence profiles, conditions, and evidence.