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Selected:WSJF LASR (Lightweight Approach for Software Reviews)5 Whys Failure Mode and Effects Analysis

Criterion	Agile WSJF	Architecture LASR (Lightweight Approach for Software Reviews)	Operations 5 Whys	Operations Failure Mode and Effects Analysis
Purposedifferent	When many tasks compete for the same capacity, it orders work by economic impact. It makes time lost, benefit, and effort comparable together.	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 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.	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	High	Medium	Low	High
Timedifferent	45-90 min	3–4 h for initial assessment; preparation and deeper analysis additional	15-30 min	2-6 h
Participantsdifferent	3-10	1 or a small team; particularly suitable for 3–4 people	2-6	3-10
Formatdifferent	Workshop	Workshop + async	Workshop	Workshop
Outputdifferent	Ranked Backlog, Cost-of-Delay Assumptions	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	Root cause notes, Countermeasures	FMEA Table, Risk Priority, Mitigation Actions
Tagsno overlap	LeanEconomicsSequencePrioritization	ArchitectureQualityRiskAssessmentLean	Root causeIncidentLeanProblem solving	RiskQualityOperationsRoot cause

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