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| Criterion |  Decision Making Decision Matrix |  UX Research User Interviews |  Product Strategy ICE Scoring |  Delivery Cost of Delay |
|---|---|---|---|---|
Purposedifferent | When several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | When ideas need sorting quickly, it condenses impact, confidence, and effort into one compact score. It connects customer value, product logic, and decision priorities. The result is captured as an ICE table and top-ideas list. | Helps clarify scope, order, and delivery flow in concrete terms. It makes work, constraints, and sequence manageable. The result is captured as a Cost of Delay table and prioritization sequence. |
Complexitydifferent | Medium | Low | Low | High |
Timedifferent | 45-90 min | 30–60 min per interview | 30-60 min | 90-180 min |
Participantsdifferent | 2-8 | 1 participant per interview | 2-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Decision Matrix, Scoring Rationale, Selected Option | Interview Notes, Themes, Insight Summary | ICE Table, Top Idea List | CoD Table, Prioritization Sequence |
Tagsno overlap | DecisionCriteriaScoringTradeoffs | QualitativeResearchCustomerDiscovery | PrioritizationScoringGrowthDecision | PrioritizationDeliveryEconomicsDecision |