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Selected:Double Diamond5 WhysLASR (Lightweight Approach for Software Reviews)Failure Mode and Effects Analysis
| Criterion |  Innovation Double Diamond |  Operations 5 Whys |  Architecture LASR (Lightweight Approach for Software Reviews) |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. |
Complexitydifferent | Medium | Low | Medium | High |
Timedifferent | Wochen bis Monate | 15-30 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 2-6 h |
Participantsdifferent | 3-12 | 2-6 | 1 or a small team; particularly suitable for 3–4 people | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Root cause notes, Countermeasures | 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 | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | ProcessDivergenceInnovation | Root causeIncidentLeanProblem solving | ArchitectureQualityRiskAssessmentLean | RiskQualityOperationsRoot cause |