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| Criterion |  Operations Accountability Ladder |  Product Discovery Problem Interview |  Product Discovery MVP Test Matrix |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
Purposedifferent | With defensive reactions to problems, the method shifts the view from justification to ownership. It makes visible which reaction stage a person or team is currently stuck on. | When the picture of the problem still needs to become solid, it asks about real situations and consequences. It separates genuine suffering from mere interest in a solution. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 20-45 min | 30-60 min je Interview | 45-75 min | 30-60 min |
Participantsdifferent | 1-8 | 5-12 Interviews | 2-8 | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Ownership Reflection, Action Commitment, Coaching Notes | Problem Evidence, Risk Notes, Customer Segments | Test Matrix, Test Plan | Completed Experiment Canvas, Success Metric |
Tagsno overlap | ResponsibilityLeadershipTeam | DiscoveryInterviewsValidation | ExperimentsValidationDiscoveryOptions | ExperimentsValidationDiscoveryHypothesis |