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| Criterion |  Innovation Design Thinking |  Innovation Design Sprint |  Operations ALPEN Method |  Product Discovery Solution Interview |
|---|---|---|---|---|
Purposedifferent | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | 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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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. |
Complexitydifferent | High | High | Low | Medium |
Timedifferent | 1 Tag bis mehrere Wochen | 4-5 Tage | 10-20 min daily | 30-60 min je Interview |
Participantsdifferent | 4-10 | 5-8 | 1 | 5-10 Interviews |
Formatdifferent | Workshop | Workshop | Async | Workshop + async |
Outputdifferent | Problem Statement, Prototype, Test Learnings | Prototype, Test Findings, Decision Rationale | Daily Plan, Time Estimates, Review Notes | Solution Feedback, Objection List, Validation Notes |
Tagsno overlap | InnovationPrototypeResearch | Design sprintPrototypeValidationInnovation | PlanningTime managementProductivityOperations | ValidationInterviewsPrototype |