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| Criterion |  UX Research Diary Study |  Innovation Design Sprint |  Product Discovery Outcome-Driven Innovation |  Product Discovery Solution Interview |
|---|---|---|---|---|
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 the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | 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. |
Complexitydifferent | Medium | High | High | Medium |
Timedifferent | 1-4 Wochen | 4-5 Tage | Mehrere Wochen | 30-60 min je Interview |
Participantsdifferent | 5-20 | 5-8 | 2-6 researchers plus sample | 5-10 Interviews |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Prototype, Test Findings, Decision Rationale | Desired outcome statements, Opportunity landscape, Segmentation by underserved needs, Innovation hypotheses | Solution Feedback, Objection List, Validation Notes |
Tagsno overlap | UX researchTrackingBehavior | Design sprintPrototypeValidationInnovation | OutcomesInnovationResearchQuantitative | ValidationInterviewsPrototype |