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| Criterion |  Product Discovery Pretotyping |  Operations Getting Things Done |  Innovation Lean Startup |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|---|---|
Purposedifferent | Pretotyping clarifies whether a customer problem and solution idea create enough real demand. It separates problem, assumption, solution, and evidence, and captures the result as a pretotyping sketch, test setup, and conversion data. | 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. | 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. | 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. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | Stunden bis wenige Tage | 1-2 h Setup, laufend | Wochen bis Monate je Lernzyklus | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 1-4 | 1 | 2-8 | Designers, developers as users, and facilitation |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision | Action Lists, Project List, Review Routine | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | ValidationDemandMVP | ProductivityPlanningTasksExecution | LeanStartupValidationMVP | ArchitectureEngineeringFeedbackValidationTasks |