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| Criterion |  Innovation Lean Startup |  Operations 5 Whys |  Operations Ivy Lee Method |  Operations Eat the Frog |
|---|---|---|---|---|
Purposedifferent | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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. | 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. | The method protects energy and attention for the task that creates the largest progress and is often postponed. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | Wochen bis Monate je Lernzyklus | 15-30 min | 5-10 min daily | 15-90 min daily |
Participantsdifferent | 2-8 | 2-6 | 1 | 1 |
Formatdifferent | Workshop + async | Workshop | Async | Async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Root cause notes, Countermeasures | Daily Priority List, Completion Notes | Priority Task, Completion Note, Daily Focus |
Tagsno overlap | LeanStartupValidationMVP | Root causeIncidentLeanProblem solving | PrioritizationProductivityExecution | PrioritizationProductivityFocusExecution |