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Selected:Future Reality TreeEvaporating CloudLASR (Lightweight Approach for Software Reviews)Assumption Mapping
| Criterion |  Systems Thinking Future Reality Tree |  Systems Thinking Evaporating Cloud |  Architecture LASR (Lightweight Approach for Software Reviews) |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | A Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | High | Medium | Medium | Medium |
Timedifferent | 2-4 h | 60-120 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 45-60 min |
Participantsdifferent | 3-8 | 2-8 | 1 or a small team; particularly suitable for 3–4 people | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | 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 | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | Theory of ConstraintsSystems thinkingChange | Theory of ConstraintsAssumptionsSystems thinking | ArchitectureQualityRiskAssessmentLean | AssumptionsRiskExperimentsValidation |