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| Criterion |  UX Research User Interviews |  Facilitation Decision Jam |  Operations 5 Whys |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | When a decision is stuck, Decision Jam loosens the knot through structured separation of problem, idea, and selection. The format creates movement without jumping prematurely at the first seemingly elegant answer. | 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. | 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 | Low | Low | Low | Medium |
Timedifferent | 30–60 min per interview | 60-90 min | 15-30 min | 45-90 min |
Participantsdifferent | 1 participant per interview | 4-10 | 2-6 | 2-5 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Problem Cluster, Prioritized Challenge, Experiment | Root cause notes, Countermeasures | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | QualitativeResearchCustomerDiscovery | FacilitationDecisionProblem solvingWorkshop | Root causeIncidentLeanProblem solving | LeanProblem solvingCoachingOperations |