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| Criterion |  Product Discovery Kano Model |  Operations Eat the Frog |  Operations Root Cause Analysis |  Operations Ivy Lee Method |
|---|---|---|---|---|
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. | The method protects energy and attention for the task that creates the largest progress and is often postponed. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | 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 | Medium | Low |
Timedifferent | 1-2 Tage | 15-90 min daily | 1-4 h | 5-10 min daily |
Participantsdifferent | 10-50 | 1 | 3-8 | 1 |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | Kano Matrix, Feature Classes, Priority Themes | Priority Task, Completion Note, Daily Focus | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Daily Priority List, Completion Notes |
Tagsno overlap | SatisfactionPrioritizationCustomer | PrioritizationProductivityFocusExecution | Root causeProblem solvingQualityIncident | PrioritizationProductivityExecution |