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| Criterion |  UX Research Diary Study |  Knowledge Modeling IBIS |  Systems Thinking Behavior Over Time Graph |  Systems Thinking Iceberg Model |
|---|---|---|---|---|
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. | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | 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. | The Iceberg Model separates visible events from patterns, structures, and mental models. This turns a single observation into a deeper understanding of why a problem keeps recurring. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-4 Wochen | 1-3 h | 20-45 min | 30-60 min |
Participantsdifferent | 5-20 | 2-8 | 1-10 | 2-10 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Issue Map, Positions, Argument Notes | Behavior Over Time Graph, Trend Hypotheses, Key Events | Iceberg Worksheet, Pattern Notes, Intervention Ideas |
Tagsno overlap | UX researchTrackingBehavior | RationaleKnowledgeDecision | Systems thinkingPatternsDynamics | Systems thinkingRoot causePatterns |