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| Criterion |  Facilitation Timeline |  Operations Process Mapping |  Facilitation 1-2-4-All |  Operations Gemba Walk |
|---|---|---|---|---|
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. | With a confusing workflow that has many handoffs, the method makes the actual process visible. It shows where work is passed on, delayed, or duplicated, so improvement targets the right spots. | 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. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 30-90 min | 1-3 h | 10-20 min | 30-120 min |
Participantsdifferent | 2-12 | 3-10 | 4-100+ | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Timeline, Milestones, Insight Notes | Process Map, Handoff List, Improvement Backlog | Idea List, Shared Insights, Emergent Themes | Observation Notes, Improvement Ideas |
Tagsno overlap | TimelineFacilitationSequence | ProcessOperationsImprovement | FacilitationInclusionIdeation | LeanObservationProcessOperations |