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| Criterion |  Facilitation Timeline |  Facilitation 1-2-4-All |  Operations Gemba Walk |  Operations Kaizen Event |
|---|---|---|---|---|
Purposedifferent | When a project, incident, or change process is only remembered in fragments, Timeline brings the sequence back into a readable form. It makes turning points, precursors, and after-effects recognizable over the course of time. | When many people in a group too rarely get to speak, 1-2-4-All distributes thinking time more fairly. The format builds participation step by step and makes quiet or still-unformed thoughts usable faster. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 30-90 min | 10-20 min | 30-120 min | 0.5-5 Tage |
Participantsdifferent | 2-12 | 4-100+ | 2-6 | 4-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Timeline, Milestones, Insight Notes | Idea List, Shared Insights, Emergent Themes | Observation Notes, Improvement Ideas | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update |
Tagsno overlap | TimelineFacilitationSequence | FacilitationInclusionIdeation | LeanObservationProcessOperations | LeanContinuous improvementOperations |