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| Criterion |  Product Discovery Kano Model |  Architecture ARID (Active Reviews for Intermediate Designs) |  Innovation Lean Startup |  Product Strategy Lean Canvas |
|---|---|---|---|---|
Purposedifferent | When features need to be distinguished by their effect on satisfaction, it makes expectations and surprises comparable. It separates basic needs, performance contribution, and delight. | ARID examines how well developers can work with a technical design. It focuses on a part of the system that can still be revised, between the architecture overview and the detailed specification. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 1-2 Tage | 2–4 h review as a planning range; preparation and evaluation additional | Wochen bis Monate je Lernzyklus | 45-90 min |
Participantsdifferent | 10-50 | Designers, developers as users, and facilitation | 2-8 | 1-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Lean Canvas, Core Assumptions, Experiment Backlog |
Tagsno overlap | SatisfactionPrioritizationCustomer | ArchitectureEngineeringFeedbackValidationTasks | LeanStartupValidationMVP | StartupLeanAssumptionsBusiness model |