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| Criterion |  Facilitation Timeline |  Product Discovery Opportunity Solution Tree |  Innovation Reverse Brainstorming |  Innovation Brainstorming |
|---|---|---|---|---|
Purposedifferent | When a project, incident, or change process is only remembered in fragments, Timeline brings the sequence back into a readable form. It makes turning points, precursors, and after-effects recognizable over the course of time. | When discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure. | 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 team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 30-90 min | 1-2 h Setup, laufend | 30-60 min | 30-60 min |
Participantsdifferent | 2-12 | 2-6 | 3-12 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Timeline, Milestones, Insight Notes | Opportunity Solution Tree, Experiment Backlog, Learning Log | Reverse Ideas, Risk Themes, Solution Ideas | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | TimelineFacilitationSequence | DiscoveryOutcomesExperimentsOpportunity | BrainstormingIdeationCreativityRisk | BrainstormingIdeationCreativityWorkshopDivergence |