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| Criterion |  UX Research Diary Study |  Product Discovery Outcome-Driven Innovation |  Product Discovery Solution Interview |  UX Research Surveys |
|---|---|---|---|---|
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. | Outcome-Driven Innovation clarifies customer problems, solution opportunities, and evidence. It separates jobs, desired outcomes, importance, satisfaction, and opportunity, and captures results as desired outcome statements, an opportunity landscape, and segments by underserved needs. | When a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | When a topic needs to be validated broadly and many people can answer the same question, surveys gather structured feedback in a scalable form. Answers become comparable and segmentable instead of remaining merely anecdotal. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 1-4 Wochen | Mehrere Wochen | 30-60 min je Interview | 3-14 Tage |
Participantsdifferent | 5-20 | 2-6 researchers plus sample | 5-10 Interviews | 50+ |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Desired outcome statements, Opportunity landscape, Segmentation by underserved needs, Innovation hypotheses | Solution Feedback, Objection List, Validation Notes | Survey Results, Charts, Segment Insights |
Tagsno overlap | UX researchTrackingBehavior | OutcomesInnovationResearchQuantitative | ValidationInterviewsPrototype | QuantitativeResearchValidation |