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| Criterion |  Operations Fault Tree Analysis |  Innovation Crazy 8s |  Architecture LASR (Lightweight Approach for Software Reviews) |  Innovation Rapid Ideation |
|---|---|---|---|---|
Purposedifferent | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | With only a few minutes available and a still-fuzzy solution search, the method forces a wide range of variants. It produces fast sketches before the first idea can settle in, making different directions directly comparable and open to further development. | 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 decision needs to be prepared quickly, the method generates many solution-close variants in a short time. It deliberately relies on pace to undercut self-censorship and perfectionism. This quickly produces a usable field for prioritization and further work. |
Complexitydifferent | High | Low | Medium | Low |
Timedifferent | 2-6 h | 8-15 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 5-20 min |
Participantsdifferent | 3-8 | 1-10 | 1 or a small team; particularly suitable for 3–4 people | 1-20 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Sketch Set, Idea Shortlist, Direction Options | 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 | Ideenpool, Roh-Shortlist, Cluster |
Tagsno overlap | RiskRoot causeSafety | BrainstormingSketchingSpeedDivergenceDesign sprint | ArchitectureQualityRiskAssessmentLean | BrainstormingIdeationDivergenceSpeed |