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| Criterion |  Product Discovery Working Backwards |  Operations A3 Problem Solving |  Operations Ivy Lee Method |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | When the target state and benefit need to be clear first, it thinks backward from the desired outcome into the product logic. It sharpens vision, objections, and value proposition before elaboration. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | With a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 4-8 h, mehrere Iterationen | 45-90 min | 5-10 min daily | 15-30 min |
Participantsdifferent | 2-6 | 2-5 | 1 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | Future Press Release, FAQ, Vision Statement | A3 Report, Action Plan, Root Cause Analysis | Daily Priority List, Completion Notes | Root cause notes, Countermeasures |
Tagsno overlap | VisionNarrativeAlignment | LeanProblem solvingCoachingOperations | PrioritizationProductivityExecution | Root causeIncidentLeanProblem solving |