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Selected:Fault IsolationExpectation MappingLASR (Lightweight Approach for Software Reviews)Spotify Model Mapping
| Criterion |  Engineering Fault Isolation |  Facilitation Expectation Mapping |  Architecture LASR (Lightweight Approach for Software Reviews) |  Team Design Spotify Model Mapping |
|---|---|---|---|---|
Purposedifferent | In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | When roles, interfaces, or projects fail because of differing expectations, Expectation Mapping surfaces these differences. It shows what each side takes for granted and where the pictures diverge. | 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 team landscape has grown without clear grouping, it maps roles and relationships onto the Spotify model. It clarifies responsibility, interaction, and load between teams. The result is captured as a Spotify model map and action list. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 30-180 min | 45-90 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 90-180 min |
Participantsdifferent | 1-6 | 3-12 | 1 or a small team; particularly suitable for 3–4 people | 5-15 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Expectation Map, Alignment Notes, Agreements | 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 | Spotify Model Map, Action List |
Tagsno overlap | TroubleshootingDiagnosisEngineering | AlignmentStakeholdersTeam | ArchitectureQualityRiskAssessmentLean | TeamOrganizationAlignmentDiagnosis |