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Criterion
A3 Problem-Solving workspace showing the question, observations, and next decision.
Operations
A3 Problem Solving
Paper illustration of a team retrospective with three separate Start, Stop, and Continue areas and a shared action list.
Agile
Start Stop Continue
Four paper stations connect system purpose, quality goals, risk cards and focused investigation with a target and gap profile.
Architecture
LASR (Lightweight Approach for Software Reviews)
Purposedifferent
For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together.When a team wants to deliberately adjust its working behavior, it makes habits visible and assessable. It focuses on concrete changes instead of diffuse mood.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
MediumLowMedium
Timedifferent
45-90 min30-60 min3–4 h for initial assessment; preparation and deeper analysis additional
Participantsdifferent
2-53-121 or a small team; particularly suitable for 3–4 people
Formatdifferent
Workshop + asyncWorkshopWorkshop + async
Outputdifferent
A3 Report, Action Plan, Root Cause AnalysisStart Stop Continue Board, Improvement ActionsLean 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
LeanProblem solvingCoachingOperations
RetrospectiveImprovementTeamReflection
ArchitectureQualityRiskAssessmentLean
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Methods with strong topical overlap with the current selection, not yet in the comparison.

A structured reflection surfaces what was liked, learned, lacked, and longed for. It is a conversation format and does not validate actions automatically.
Agile
4Ls Retrospective
Paper illustration: scenarios and architectural decisions are connected to identified risks.
Architecture
ATAM (Architecture Tradeoff Analysis Method)
Paper illustration for Failure Mode and Effects Analysis
Operations
Failure Mode and Effects Analysis