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| Criterion |  Knowledge Modeling IBIS |  Innovation Lean Startup |  Architecture LASR (Lightweight Approach for Software Reviews) |  Decision Making Risk Matrix |
|---|---|---|---|---|
Purposedifferent | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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. | 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 | Medium | Medium | Medium | Low |
Timedifferent | 1-3 h | Wochen bis Monate je Lernzyklus | 3–4 h for initial assessment; preparation and deeper analysis additional | 30-60 min |
Participantsdifferent | 2-8 | 2-8 | 1 or a small team; particularly suitable for 3–4 people | 3-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Issue Map, Positions, Argument Notes | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | 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 | Risk Matrix, Top Risk List |
Tagsno overlap | RationaleKnowledgeDecision | LeanStartupValidationMVP | ArchitectureQualityRiskAssessmentLean | RiskDecisionPrioritizationAssessment |