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| Criterion |  UX Research User Interviews |  Decision Making Constraint Analysis |  Product Strategy ICE Scoring |  Decision Making Decision Tree |
|---|---|---|---|---|
Purposedifferent | 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 an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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. | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 30–60 min per interview | 30-90 min | 30-60 min | 30-90 min |
Participantsdifferent | 1 participant per interview | 2-8 | 2-8 | 1-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | ICE Table, Top Idea List | Decision Tree, Option Map, Assumption List |
Tagsno overlap | QualitativeResearchCustomerDiscovery | ConstraintsDecisionPlanningOptions | PrioritizationScoringGrowthDecision | DecisionTreeOptions |