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| Criterion |  Product Discovery Kano Model |  Operations Ivy Lee Method |  Product Discovery Opportunity Interview |  Operations Getting Things Done |
|---|---|---|---|---|
Purposedifferent | When features need to be distinguished by their effect on satisfaction, it makes expectations and surprises comparable. It separates basic needs, performance contribution, and delight. | 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. | When opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities. | With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 1-2 Tage | 5-10 min daily | 30-60 min je Interview | 1-2 h Setup, laufend |
Participantsdifferent | 10-50 | 1 | 5-12 Interviews | 1 |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Daily Priority List, Completion Notes | Interview Notes, Opportunity Themes, Customer Quotes | Action Lists, Project List, Review Routine |
Tagsno overlap | SatisfactionPrioritizationCustomer | PrioritizationProductivityExecution | DiscoveryInterviewsOpportunityCustomer | ProductivityPlanningTasksExecution |