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Selected:PERT EstimationLASR (Lightweight Approach for Software Reviews)Ideal DaysFailure Mode and Effects Analysis
| Criterion |  Decision Making PERT Estimation |  Architecture LASR (Lightweight Approach for Software Reviews) |  Agile Ideal Days |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | On complex initiatives, a plain average tends to understate just how uncertain the outcome really is. It separates options, evaluation criteria, and open risks. The result is captured as a PERT Estimate, Expected Value, and Risk Notes. | 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 effort needs to be thought of as real working time, it offers a simple common denominator for comparison. It sorts work by value, risk, and delivery ability. The result is captured as Ideal Day Estimates, Assumption Notes, and Capacity Caveats. | 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 | Medium | Low | High |
Timedifferent | 15-45 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 15-60 min | 2-6 h |
Participantsdifferent | 1-8 | 1 or a small team; particularly suitable for 3–4 people | 2-9 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | PERT Estimate, Expected Value, Risk Notes | 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 | Ideal Day Estimates, Assumption Notes, Capacity Caveats | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | EstimationUncertaintyRisk | ArchitectureQualityRiskAssessmentLean | EstimationEffortAgile | RiskQualityOperationsRoot cause |