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| Criterion |  Product Discovery Opportunity Interview |  Engineering Failure Scenario Analysis |  Product Discovery Problem Interview |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | When opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities. | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 30-60 min je Interview | 1-3 h | 30-60 min je Interview | 45-60 min |
Participantsdifferent | 5-12 Interviews | 3-8 | 5-12 Interviews | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Opportunity Themes, Customer Quotes | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Problem Evidence, Risk Notes, Customer Segments | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | DiscoveryInterviewsOpportunityCustomer | FailureResilienceRisk | DiscoveryInterviewsValidation | AssumptionsRiskExperimentsValidation |