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Selected:ARID (Active Reviews for Intermediate Designs)Decision TreeLearning CardRiskiest Assumption Test
| Criterion | ![]() Architecture ARID (Active Reviews for Intermediate Designs) | ![]() Decision Making Decision Tree | ![]() Product Discovery Learning Card | ![]() Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
Purposedifferent | 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 decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 30-90 min | 25-40 min | 1-2 Wochen pro Iteration |
Participantsdifferent | Designers, developers as users, and facilitation | 1-6 | 1-5 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Decision Tree, Option Map, Assumption List | Learning Card with evidence and next action | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | DecisionTreeOptions | ExperimentsValidationDiscoveryLearning | ExperimentsValidationDiscoveryAssumptions |



