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| Criterion |  Facilitation Expectation Mapping |  Decision Making Decision Matrix |  Product Strategy RICE Scoring |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | When roles, interfaces, or projects fail because of differing expectations, Expectation Mapping surfaces these differences. It shows what each side takes for granted and where the pictures diverge. | When several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. | When many initiatives compete for the same resources, it brings reach, impact, confidence, and effort into one shared ranking. It makes prioritization economically connectable. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. |
Complexitydifferent | Low | Medium | Medium | High |
Timedifferent | 45-90 min | 45-90 min | 60-90 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 3-12 | 2-8 | 2-10 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Expectation Map, Alignment Notes, Agreements | Decision Matrix, Scoring Rationale, Selected Option | RICE Scores, Ranked List, Assumption Log | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | AlignmentStakeholdersTeam | DecisionCriteriaScoringTradeoffs | PrioritizationScoringRoadmapTradeoffs | ArchitectureQualityRiskTradeoffsStakeholders |