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| Criterion |  UX Research Affinity Diagramming |  UX Research Customer Journey Mapping |  Systems Thinking Causal Loop Diagram |  Systems Thinking Current Reality Tree |
|---|---|---|---|---|
Purposedifferent | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. |
Complexitydifferent | Low | Medium | Medium | High |
Timedifferent | 45–90 min | 2-4 h | 1-3 h | 2-6 h |
Participantsdifferent | 3-10 | 4-10 | 2-8 | 3-8 |
Formatsame | Workshop | Workshop | Workshop | Workshop |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Journey Map, Pain-point List, Opportunity Backlog | Causal Loop Diagram, Feedback Notes, Leverage Points | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | SynthesisQualitativeRoot cause | JourneyServiceService design | FeedbackSystems thinkingCausalityDynamics | Systems thinkingRoot causeConstraintsCausality |