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| Criterion |  Product Discovery Solution Interview |  UX Research HEART Framework |  Innovation Design Sprint |  Engineering Goal Question Metric |
|---|---|---|---|---|
Purposedifferent | When a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | Helps clarify observations, needs, and patterns in concrete terms. It groups observations into patterns, questions, and decisions. The result is captured as a HEART-GSM table and dashboard. | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | 30-60 min je Interview | 120 min initial, dann laufend | 4-5 Tage | 90-180 min |
Participantsdifferent | 5-10 Interviews | 3-6 | 5-8 | 3-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | HEART-GSM Table, Dashboard | Prototype, Test Findings, Decision Rationale | GQM Table, Metric Profiles |
Tagsno overlap | ValidationInterviewsPrototype | MetricsUX researchMeasurementSatisfaction | Design sprintPrototypeValidationInnovation | MetricsMeasurementEngineeringAlignment |