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| Criterion |  UX Research Usability Testing |  Operations Eat the Frog |  Innovation Design Sprint |  Operations Ivy Lee Method |
|---|---|---|---|---|
Purposedifferent | 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. | The method protects energy and attention for the task that creates the largest progress and is often postponed. | 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. | With a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 1-2 h je Session | 15-90 min daily | 4-5 Tage | 5-10 min daily |
Participantsdifferent | Based on research question | 1 | 5-8 | 1 |
Formatdifferent | Workshop + async | Async | Workshop | Async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Priority Task, Completion Note, Daily Focus | Prototype, Test Findings, Decision Rationale | Daily Priority List, Completion Notes |
Tagsno overlap | ValidationUXPrototype | PrioritizationProductivityFocusExecution | Design sprintPrototypeValidationInnovation | PrioritizationProductivityExecution |