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Selected:Getting Things DoneARID (Active Reviews for Intermediate Designs)MVP Test MatrixExperiment Canvas
| Criterion |  Operations Getting Things Done |  Architecture ARID (Active Reviews for Intermediate Designs) |  Product Discovery MVP Test Matrix |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-2 h Setup, laufend | 2–4 h review as a planning range; preparation and evaluation additional | 45-75 min | 30-60 min |
Participantsdifferent | 1 | Designers, developers as users, and facilitation | 2-8 | 1-5 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Action Lists, Project List, Review Routine | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Test Matrix, Test Plan | Completed Experiment Canvas, Success Metric |
Tagsno overlap | ProductivityPlanningTasksExecution | ArchitectureEngineeringFeedbackValidationTasks | ExperimentsValidationDiscoveryOptions | ExperimentsValidationDiscoveryHypothesis |