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| Criterion |  Product Strategy RICE Scoring |  Architecture Architecture Communication Canvas |  Operations 5 Whys |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | When many initiatives compete for the same resources, it brings reach, impact, confidence, and effort into one shared ranking. It makes prioritization economically connectable. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 60-90 min | 60-120 min | 15-30 min | 1-4 h |
Participantsdifferent | 2-10 | 2-8 | 2-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | RICE Scores, Ranked List, Assumption Log | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Root cause notes, Countermeasures | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | PrioritizationScoringRoadmapTradeoffs | ArchitectureCommunicationStakeholdersCanvas | Root causeIncidentLeanProblem solving | Root causeProblem solvingQualityIncident |