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| Criterion |  Operations Gemba Walk |  Agile Affinity Estimation |  Operations PDCA Cycle |  Agile Planning Poker |
|---|---|---|---|---|
Purposedifferent | 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. | When many tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. | For an improvement that still has to prove itself in everyday work, the method runs it through small learning loops. It connects planning, checking, and standardization into a repeatable learning mode. | When estimates within the team diverge too much, it puts differing expectations on a common test bench. It separates rough complexity from unspoken assumptions. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 30-120 min | 30-90 min | 1 h bis mehrere Wochen | 2-5 min je Item |
Participantsdifferent | 2-6 | 3-12 | 1-8 | 3-9 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | Affinity Size Map, Grouped Estimates, Unclear Items | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Relative Estimates, Assumption Notes, Split Candidates |
Tagsno overlap | LeanObservationProcessOperations | EstimationBacklogRelative sizing | Continuous improvementLeanExperiments | EstimationAgileRelative sizingTeam |