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| Criterion | ![]() UX Research Diary Study | ![]() UX Research Surveys | ![]() UX Research Usability Testing | ![]() Product Discovery Outcome-Driven Innovation |
|---|---|---|---|---|
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 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. | When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | 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. |
Complexitydifferent | Medium | Medium | Medium | High |
Timedifferent | 1-4 Wochen | 3-14 Tage | 1-2 h je Session | Mehrere Wochen |
Participantsdifferent | 5-20 | 50+ | Based on research question | 2-6 researchers plus sample |
Formatdifferent | Async | Async | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Survey Results, Charts, Segment Insights | Usability Issues, Severity List, Recommendations | Desired outcome statements, Opportunity landscape, Segmentation by underserved needs, Innovation hypotheses |
Tagsno overlap | UX researchTrackingBehavior | QuantitativeResearchValidation | ValidationUXPrototype | OutcomesInnovationResearchQuantitative |



