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| Criterion |  Product Discovery Solution Interview |  UX Research HEART Framework |  Innovation Design Sprint |  Product Strategy Counter Metrics |
|---|---|---|---|---|
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. | When a headline metric could mask side effects, it adds guardrail signals against unwanted outcomes. It connects customer value, product logic, and decision priorities. The result is captured as a counter-metric list and guardrail definitions. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 30-60 min je Interview | 120 min initial, dann laufend | 4-5 Tage | 30-60 min |
Participantsdifferent | 5-10 Interviews | 3-6 | 5-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | HEART-GSM Table, Dashboard | Prototype, Test Findings, Decision Rationale | Counter Metric List, Guardrail Definitions |
Tagsno overlap | ValidationInterviewsPrototype | MetricsUX researchMeasurementSatisfaction | Design sprintPrototypeValidationInnovation | MetricsMeasurementStrategyExperiments |