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| Criterion | ![]() UX Research Diary Study | ![]() Product Discovery Smoke Test | ![]() Growth Hooked Model | ![]() Product Discovery Fake Door Test |
|---|---|---|---|---|
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 demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | The Hooked Model helps clarify engagement loops, user behavior, and experiments. It makes repeat behavior measurable and captures the result as a hooked loop, trigger map, and reward design. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 1-4 Wochen | 1-5 Tage | Multiple workshops over several weeks | 1-5 Tage |
Participantsdifferent | 5-20 | Nutzertraffic | 2-8 | Nutzertraffic |
Formatdifferent | Async | Async | Workshop + async | Async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Interest Metrics, Conversion Signal, Learning Note | Hooked loop, Trigger map, Reward design, Ethics check | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | UX researchTrackingBehavior | ValidationExperimentsDemandGrowth | GrowthBehaviorRetention | ValidationExperimentsDemandDiscovery |



