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| Criterion |  Innovation Double Diamond |  Product Discovery Solution Interview |  Innovation Design Charrette |  Innovation Design Sprint |
|---|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | When a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | In a tightly timed design process with many participants, the method pools several lines of thinking in a short time. It brings parallel design energy without letting the discussion tip into endless coordination. This quickly produces solid directions for architecture or space. | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. |
Complexitydifferent | Medium | Medium | Medium | High |
Timedifferent | Wochen bis Monate | 30-60 min je Interview | Halber Tag bis mehrere Tage | 4-5 Tage |
Participantsdifferent | 3-12 | 5-10 Interviews | 10-50 | 5-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Solution Feedback, Objection List, Validation Notes | Sketches and Concepts, Consolidated Solution Sketch, Prioritized Direction | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | ProcessDivergenceInnovation | ValidationInterviewsPrototype | BrainstormingWorkshopCollaborationIdeation | Design sprintPrototypeValidationInnovation |