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| Criterion |  UX Research User Interviews |  Operations Ivy Lee Method |  Operations A3 Problem Solving |  Operations Eat the Frog |
|---|---|---|---|---|
Purposedifferent | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | 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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | The method protects energy and attention for the task that creates the largest progress and is often postponed. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 30–60 min per interview | 5-10 min daily | 45-90 min | 15-90 min daily |
Participantsdifferent | 1 participant per interview | 1 | 2-5 | 1 |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Daily Priority List, Completion Notes | A3 Report, Action Plan, Root Cause Analysis | Priority Task, Completion Note, Daily Focus |
Tagsno overlap | QualitativeResearchCustomerDiscovery | PrioritizationProductivityExecution | LeanProblem solvingCoachingOperations | PrioritizationProductivityFocusExecution |