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| Criterion |  Product Discovery Opportunity Interview |  Operations Change Analysis |  Product Discovery Problem Interview |  Product Discovery Learning Card |
|---|---|---|---|---|
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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 30-60 min je Interview | 45-120 min | 30-60 min je Interview | 25-40 min |
Participantsdifferent | 5-12 Interviews | 2-6 | 5-12 Interviews | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Opportunity Themes, Customer Quotes | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Problem Evidence, Risk Notes, Customer Segments | Learning Card with evidence and next action |
Tagsno overlap | DiscoveryInterviewsOpportunityCustomer | ChangeRoot causeTroubleshootingComparison | DiscoveryInterviewsValidation | ExperimentsValidationDiscoveryLearning |