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| Criterion |  UX Research Diary Study |  Decision Making OODA Loop |  Product Discovery Assumption Mapping |  Product Discovery Learning Card |
|---|---|---|---|---|
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. | In dynamic situations, decisions become outdated faster than they can be prepared. The OODA Loop holds observing, orienting, deciding, and acting together as a recurring rhythm so reaction does not slide into inertia. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-4 Wochen | 15-60 min je Zyklus | 45-60 min | 25-40 min |
Participantsdifferent | 5-20 | 1-8 | 2-8 | 1-5 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Situation Assessment, Decision Loop, Action Updates | Assumption map, Test backlog, Risk ranking | Learning Card with evidence and next action |
Tagsno overlap | UX researchTrackingBehavior | DecisionChangeLearningStrategy | AssumptionsRiskExperimentsValidation | ExperimentsValidationDiscoveryLearning |