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| Criterion |  UX Research User Interviews |  Operations Ivy Lee Method |  Operations 5 Whys |
|---|---|---|---|
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 single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitysame | Low | Low | Low |
Timedifferent | 30–60 min per interview | 5-10 min daily | 15-30 min |
Participantsdifferent | 1 participant per interview | 1 | 2-6 |
Formatdifferent | Workshop + async | Async | Workshop |
Outputdifferent | Interview Notes, Themes, Insight Summary | Daily Priority List, Completion Notes | Root cause notes, Countermeasures |
Tagsno overlap | QualitativeResearchCustomerDiscovery | PrioritizationProductivityExecution | Root causeIncidentLeanProblem solving |
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