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| Criterion |  Operations Process Mapping |  Growth A/B Testing |  Architecture ARID (Active Reviews for Intermediate Designs) |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | With a confusing workflow that has many handoffs, the method makes the actual process visible. It shows where work is passed on, delayed, or duplicated, so improvement targets the right spots. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 1-3 h | 1-4 Wochen | 2–4 h review as a planning range; preparation and evaluation additional | 45-60 min |
Participantsdifferent | 3-10 | 1-6 | Designers, developers as users, and facilitation | 2-8 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop + async |
Outputdifferent | Process Map, Handoff List, Improvement Backlog | Experiment results, Decision log, Learning summary | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | ProcessOperationsImprovement | ExperimentsGrowthAnalyticsValidation | ArchitectureEngineeringFeedbackValidationTasks | AssumptionsRiskExperimentsValidation |