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| Criterion |  Product Discovery Landing Page Test |  Operations A3 Problem Solving |  Operations Getting Things Done |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | When a value proposition first needs to be checked for resonance, it condenses the idea onto a focused entry page. It shows whether language and offering carry interest. | 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 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. | 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 | Medium | Low |
Timedifferent | 1-5 Tage | 45-90 min | 1-2 h Setup, laufend | 15-30 min |
Participantsdifferent | Nutzertraffic | 2-5 | 1 | 2-6 |
Formatdifferent | Async | Workshop + async | Async | Workshop |
Outputdifferent | Landing Page, Conversion Data, Learning Summary | A3 Report, Action Plan, Root Cause Analysis | Action Lists, Project List, Review Routine | Root cause notes, Countermeasures |
Tagsno overlap | ValidationConversionMarketing | LeanProblem solvingCoachingOperations | ProductivityPlanningTasksExecution | Root causeIncidentLeanProblem solving |