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| Criterion |  Product Discovery Opportunity Interview |  Operations Causal Factor Analysis |  Systems Thinking Current Reality Tree |
|---|---|---|---|
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 an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. |
Complexitydifferent | Medium | High | High |
Timedifferent | 30-60 min je Interview | 2-6 h | 2-6 h |
Participantsdifferent | 5-12 Interviews | 3-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Interview Notes, Opportunity Themes, Customer Quotes | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | DiscoveryInterviewsOpportunityCustomer | CausalityIncidentRoot causeTimeline | Systems thinkingRoot causeConstraintsCausality |
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