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| Criterion |  UX Research Empathy Mapping |  Innovation Reverse Brainstorming |  Innovation Rapid Ideation |  Innovation Crazy 8s |
|---|---|---|---|---|
Purposedifferent | When a lot is assumed about a target group but little is seen jointly, empathy mapping makes knowledge and gaps directly comparable. The picture also shows which assumptions hold up and where evidence is missing. | 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. | When a decision needs to be prepared quickly, the method generates many solution-close variants in a short time. It deliberately relies on pace to undercut self-censorship and perfectionism. This quickly produces a usable field for prioritization and further work. | With only a few minutes available and a still-fuzzy solution search, the method forces a wide range of variants. It produces fast sketches before the first idea can settle in, making different directions directly comparable and open to further development. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 30–60 min | 30-60 min | 5-20 min | 8-15 min |
Participantsdifferent | 4-8 | 3-12 | 1-20 | 1-10 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Empathy Map, Assumptions List, Research Gaps | Reverse Ideas, Risk Themes, Solution Ideas | Ideenpool, Roh-Shortlist, Cluster | Sketch Set, Idea Shortlist, Direction Options |
Tagsno overlap | SynthesisQualitativeWorkshop | BrainstormingIdeationCreativityRisk | BrainstormingIdeationDivergenceSpeed | BrainstormingSketchingSpeedDivergenceDesign sprint |