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| Criterion |  Facilitation Dot Estimation |  Operations 5 Whys |  Product Discovery Smoke Test |
|---|---|---|---|
Purposedifferent | When size or effort can only be estimated roughly, Dot Estimation condenses the group's experience into a quick range. It turns individual contributions into a visible selection. The result is captured as an Effort Heatmap, Risk Signals, and Discussion Targets. | 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. | When demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. |
Complexitysame | Low | Low | Low |
Timedifferent | 5-20 min | 15-30 min | 1-5 Tage |
Participantsdifferent | 3-20 | 2-6 | Nutzertraffic |
Formatdifferent | Workshop | Workshop | Async |
Outputdifferent | Effort Heatmap, Risk Signals, Discussion Targets | Root cause notes, Countermeasures | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | EstimationEffortRisk | Root causeIncidentLeanProblem solving | ValidationExperimentsDemandGrowth |
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