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| Criterion |  UX Research Customer Journey Mapping |  Systems Thinking Causal Loop Diagram |  Operations 5 Whys |  Systems Thinking Stock and Flow Diagram |
|---|---|---|---|---|
Purposedifferent | When a user journey falls apart across many touchpoints, customer journey mapping makes the experience visible as a coherent arc. Phases, emotions, and breaks become legible enough to prioritize critical moments deliberately. | A Causal Loop Diagram makes feedback, reinforcement, and balance in a system legible. It uncovers side effects and self-reinforcement that stay hidden in linear explanations. | 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. | A Stock and Flow Diagram shows how stocks, inflows, and outflows shape a system over time. It is especially suited when growth, delays, or capacity limits determine the dynamics. |
Complexitydifferent | Medium | Medium | Low | High |
Timedifferent | 2-4 h | 1-3 h | 15-30 min | 2-6 h |
Participantsdifferent | 4-10 | 2-8 | 2-6 | 1-6 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Journey Map, Pain-point List, Opportunity Backlog | Causal Loop Diagram, Feedback Notes, Leverage Points | Root cause notes, Countermeasures | Stock and Flow Model, Dynamics Notes, Simulation Hypotheses |
Tagsno overlap | JourneyServiceService design | FeedbackSystems thinkingCausalityDynamics | Root causeIncidentLeanProblem solving | DynamicsSimulationFeedbackSystems thinking |