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| Criterion |  Decision Making Constraint Analysis |  Innovation Morphological Analysis |  Product Discovery Assumption Mapping |  Innovation Reverse Brainstorming |
|---|---|---|---|---|
Purposedifferent | 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. | For a search for solutions with many degrees of freedom, a grid emerges for systematic combinations. The method separates features, variants, and exclusion criteria, so the space gets explored deliberately. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | For persistent errors or blockages, the method shifts the view to the opposite of the desired effect. It exposes the mechanics of failure and makes hidden causes easier to grasp. This makes improvement more concrete and the problem clearer. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 30-90 min | 1-3 h | 45-60 min | 30-60 min |
Participantsdifferent | 2-8 | 2-8 | 2-8 | 3-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Morphological Box, Concept Combinations, Idea Shortlist | Assumption map, Test backlog, Risk ranking | Reverse Ideas, Risk Themes, Solution Ideas |
Tagsno overlap | ConstraintsDecisionPlanningOptions | IdeationInnovationCreativity | AssumptionsRiskExperimentsValidation | BrainstormingIdeationCreativityRisk |