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| Criterion |  UX Research User Interviews |  Architecture LASR (Lightweight Approach for Software Reviews) |  Product Strategy DIBB |  Decision Making Risk Matrix |
|---|---|---|---|---|
Purposedifferent | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | LASR helps development teams identify where their software falls short of important quality goals and which improvements to consider. A small group with existing system knowledge can make an initial assessment and investigate open questions in more detail. | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. | When a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 30–60 min per interview | 3–4 h for initial assessment; preparation and deeper analysis additional | 1-2 h | 30-60 min |
Participantsdifferent | 1 participant per interview | 1 or a small team; particularly suitable for 3–4 people | 2-8 | 3-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Lean Mission Statement describing the software’s purpose, Prioritized quality goals and evaluation criteria, Risks and estimated gaps against quality goals, More closely examined findings and open checks | DIBB document, Belief list, Bet list, Learning report | Risk Matrix, Top Risk List |
Tagsno overlap | QualitativeResearchCustomerDiscovery | ArchitectureQualityRiskAssessmentLean | StrategyDecisionAssumptionsHypothesis | RiskDecisionPrioritizationAssessment |