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| Criterion |  Product Discovery Outcome-Driven Innovation |  Operations 5 Whys |  Operations Root Cause Analysis |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | Outcome-Driven Innovation clarifies customer problems, solution opportunities, and evidence. It separates jobs, desired outcomes, importance, satisfaction, and opportunity, and captures results as desired outcome statements, an opportunity landscape, and segments by underserved needs. | 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. | 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. |
Complexitydifferent | High | Low | Medium | Medium |
Timedifferent | Mehrere Wochen | 15-30 min | 1-4 h | 45-90 min |
Participantsdifferent | 2-6 researchers plus sample | 2-6 | 3-8 | 2-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Desired outcome statements, Opportunity landscape, Segmentation by underserved needs, Innovation hypotheses | Root cause notes, Countermeasures | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | OutcomesInnovationResearchQuantitative | Root causeIncidentLeanProblem solving | Root causeProblem solvingQualityIncident | LeanProblem solvingCoachingOperations |