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| Criterion |  UX Research Diary Study |  UX Research Affinity Diagramming |  Systems Thinking Causal Loop Diagram |  Systems Thinking Behavior Over Time Graph |
|---|---|---|---|---|
Purposedifferent | When experiences build up over days or weeks and a single session cannot capture them, Diary Study records the course of everyday life. Recurring triggers, moods, and habits become visible this way, beyond the sharpness of memory. | 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. | 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 Behavior Over Time Graph shows how a metric or observation develops over time. The method makes trends, breaks, and recurring patterns visible that get lost in snapshots. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 1-4 Wochen | 45–90 min | 1-3 h | 20-45 min |
Participantsdifferent | 5-20 | 3-10 | 2-8 | 1-10 |
Formatdifferent | Async | Workshop | Workshop | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Theme clusters, Insight statements, Opportunity areas | Causal Loop Diagram, Feedback Notes, Leverage Points | Behavior Over Time Graph, Trend Hypotheses, Key Events |
Tagsno overlap | UX researchTrackingBehavior | SynthesisQualitativeRoot cause | FeedbackSystems thinkingCausalityDynamics | Systems thinkingPatternsDynamics |