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Selected:RolestormingATAM (Architecture Tradeoff Analysis Method)Design CharretteLASR (Lightweight Approach for Software Reviews)
| Criterion |  Innovation Rolestorming |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Innovation Design Charrette |  Architecture LASR (Lightweight Approach for Software Reviews) |
|---|---|---|---|---|
Purposedifferent | When a search for ideas stalls, switching roles helps people step outside their own perspective and activate new logics of action. The method reduces habit because contributions arise from a different stance. This brings unfamiliar, often fitting solution approaches into play. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. | In a tightly timed design process with many participants, the method pools several lines of thinking in a short time. It brings parallel design energy without letting the discussion tip into endless coordination. This quickly produces solid directions for architecture or space. | 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. |
Complexitydifferent | Low | High | Medium | Medium |
Timedifferent | 30-60 min | Several meetings plus preparation and analysis; total effort depends on scope | Halber Tag bis mehrere Tage | 3–4 h for initial assessment; preparation and deeper analysis additional |
Participantsdifferent | 3-12 | Evaluation team, architects, and relevant stakeholders | 10-50 | 1 or a small team; particularly suitable for 3–4 people |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Rollenkarten, Ideenpool pro Rolle, Konsolidierte Shortlist | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Sketches and Concepts, Consolidated Solution Sketch, Prioritized Direction | 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 |
Tagsno overlap | BrainstormingIdeationCreativity | ArchitectureQualityRiskTradeoffsStakeholders | BrainstormingWorkshopCollaborationIdeation | ArchitectureQualityRiskAssessmentLean |