View methods side by side.
Choose up to four methods. Add them using the search and share the comparison by copying its link.
| Criterion | ![]() Product Discovery Opportunity Interview | ![]() Decision Making RAPID | ![]() Decision Making DACI | ![]() Decision Making Assumption Surfacing |
|---|---|---|---|---|
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 complex management decisions, clarity is often missing about who recommends, who agrees, and who makes the decision. RAPID creates this assignment and stabilizes decisions across several levels. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 30-60 min je Interview | 45-90 min | 30-60 min | 45-90 min |
Participantsdifferent | 5-12 Interviews | 3-12 | 2-10 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Opportunity Themes, Customer Quotes | RAPID Role Map, Recommendation, Decision Log | DACI Matrix, Decision Owner, Decision Log | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | DiscoveryInterviewsOpportunityCustomer | DecisionRolesGovernance | DecisionRolesGovernanceAlignment | AssumptionsRiskDecisionDiscovery |



