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Criterion
Paper illustration of a Lean Canvas with nine fields, notes, and one highlighted learning risk.
Product Strategy
Lean Canvas
Paper illustration of a calibrated five-by-five risk matrix with response cards.
Decision Making
Risk Matrix
A paper-based illustration representing arc42 with its core stages and visible working result.
Architecture
arc42
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
When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable.When a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List.arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered 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.
Complexitydifferent
MediumLowLowMedium
Timedifferent
45-90 min30-60 min1-2 Tage3–4 h for initial assessment; preparation and deeper analysis additional
Participantsdifferent
1-63-101-41 or a small team; particularly suitable for 3–4 people
Formatsame
Workshop + asyncWorkshop + asyncWorkshop + asyncWorkshop + async
Outputdifferent
Lean Canvas, Core Assumptions, Experiment BacklogRisk Matrix, Top Risk ListArchitecture Document, Context View, Runtime View, Deployment ViewLean 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
StartupLeanAssumptionsBusiness model
RiskDecisionPrioritizationAssessment
ArchitectureDocumentationCommunication
ArchitectureQualityRiskAssessmentLean
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