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| Criterion |  UX Research Diary Study |  Systems Thinking Causal Loop Diagram |  Operations Barrier Analysis |
|---|---|---|---|
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. | 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 risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-4 Wochen | 1-3 h | 2-4 h |
Participantsdifferent | 5-20 | 2-8 | 2-6 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Causal Loop Diagram, Feedback Notes, Leverage Points | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | UX researchTrackingBehavior | FeedbackSystems thinkingCausalityDynamics | Root causeSafetyIncident |
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