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| Criterion | ![]() Product Discovery Jobs to Be Done | ![]() Product Discovery Kano Model | ![]() Operations A3 Problem Solving | ![]() Operations Gemba Walk |
|---|---|---|---|---|
Purposedifferent | When switching motives and progress are unclear, it reconstructs the situation from real customer circumstances. It shows why a switch happens and what kind of progress is being sought. | When features need to be distinguished by their effect on satisfaction, it makes expectations and surprises comparable. It separates basic needs, performance contribution, and delight. | 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. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-3 Wochen | 1-2 Tage | 45-90 min | 30-120 min |
Participantsdifferent | 5-12 Interviews | 10-50 | 2-5 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Job Stories, Outcome Statements, Opportunity List | Kano Matrix, Feature Classes, Priority Themes | A3 Report, Action Plan, Root Cause Analysis | Observation Notes, Improvement Ideas |
Tagsno overlap | CustomerOutcomesNeeds | SatisfactionPrioritizationCustomer | LeanProblem solvingCoachingOperations | LeanObservationProcessOperations |



