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| Criterion |  Product Discovery Solution Interview |  Operations Getting Things Done |  Innovation Design Sprint |  Operations ALPEN Method |
|---|---|---|---|---|
Purposedifferent | 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. | With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. | 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. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 30-60 min je Interview | 1-2 h Setup, laufend | 4-5 Tage | 10-20 min daily |
Participantsdifferent | 5-10 Interviews | 1 | 5-8 | 1 |
Formatdifferent | Workshop + async | Async | Workshop | Async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Action Lists, Project List, Review Routine | Prototype, Test Findings, Decision Rationale | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | ValidationInterviewsPrototype | ProductivityPlanningTasksExecution | Design sprintPrototypeValidationInnovation | PlanningTime managementProductivityOperations |