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| Criterion |  Decision Making Delphi Method |  Product Strategy GIST Planning |  Decision Making Pre-Mortem |  Product Strategy Impact Mapping |
|---|---|---|---|---|
Purposedifferent | 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. | GIST Planning helps clarify target groups, value, goals, and priorities. It links customer value, product logic, and decision priorities, and captures the result as goals, an idea bank, and a step-project list. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | 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. |
Complexitydifferent | High | Medium | Low | Medium |
Timedifferent | 1-4 Wochen | Wochen bis Monate je Goal | 20–45 min | 45-90 min |
Participantsdifferent | 6-30 Experten | 3-10 | Small cross-functional group | 3-8 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Goals, Idea bank, Step-project list, Tasks, Learning reports | Risk list, Mitigation plan, Assumption log | Impact Map, Outcome Hypotheses, Delivery Options |
Tagsno overlap | ForecastingExpertsDecisionStrategy | RoadmapOutcomesPlanningExperiments | RiskDecisionFailurePlanning | OutcomesStrategyBehaviorPlanning |