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Criterion
Paper illustration for T-Shirt Sizing.
Agile
T-Shirt Sizing
Paper illustration of a branching impact map with a Why goal at the root, actor circles, How behavior changes and What options.
Product Strategy
Impact Mapping
Anonymous individual judgments pass through feedback loops to form a distribution.
Decision Making
Delphi Method
Paper illustration of DIBB with its method-specific working model.
Product Strategy
DIBB
Purposedifferent
When effort only needs to be classified roughly, it makes comparability more important than false precision. It helps sort work quickly into manageable sizes.When a goal needs to be connected to several possible paths, it shows chains of impact instead of feature lists. It connects business goal, behavior change, and measures.When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together.DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report.
Complexitydifferent
LowMediumHighLow
Timedifferent
15-45 min45-90 min1-4 Wochen1-2 h
Participantsdifferent
2-123-86-30 Experten2-8
Formatdifferent
Workshop + asyncWorkshopAsyncWorkshop + async
Outputdifferent
Size Buckets, Rough Backlog Map, Split CandidatesImpact Map, Outcome Hypotheses, Delivery OptionsExpert Forecast, Consensus Range, Assumption NotesDIBB document, Belief list, Bet list, Learning report
Tagsno overlap
EstimationAgileRoadmap
OutcomesStrategyBehaviorPlanning
ForecastingExpertsDecisionStrategy
StrategyDecisionAssumptionsHypothesis
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