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| Criterion |  Facilitation Timeline |  Operations Barrier Analysis |  Decision Making Constraint Analysis |  Operations 5 Whys |
|---|---|---|---|---|
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. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 30-90 min | 2-4 h | 30-90 min | 15-30 min |
Participantsdifferent | 2-12 | 2-6 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Timeline, Milestones, Insight Notes | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Root cause notes, Countermeasures |
Tagsno overlap | TimelineFacilitationSequence | Root causeSafetyIncident | ConstraintsDecisionPlanningOptions | Root causeIncidentLeanProblem solving |