domains / families / design / concept-selection

concept-selection

separate

Choose between competing concepts against criteria fixed in advance, and record what each rejected concept was testing. Use when several directions are alive and one has to win. For picking which problem to work on, use `opportunity-framework` (ux-strategy); for deciding by production traffic, use `a-b-test-design`.

When to use

• converging on a design direction
• running the decision that ends parallel exploration
• fixing criteria before options are compared
• applying criteria to every concept
• recording why rejected concepts lost
• resolving split sets as priority problems

When not to use

• picking which problem to work on
• deciding by production traffic
• selecting across mismatched fidelities
• grafting losers onto the winner

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