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| Criterion |  UX Research Diary Study |  Product Strategy Lean Canvas |  Decision Making Delphi Method |  Business Strategy Business Model Stress Test |
|---|---|---|---|---|
Purposedifferent | When experiences build up over days or weeks and a single session cannot capture them, Diary Study records the course of everyday life. Recurring triggers, moods, and habits become visible this way, beyond the sharpness of memory. | 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 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. | A Business Model Stress Test checks how well a business model holds up under pressure and headwinds. It compares strengths, risks, market logic, and courses of action. The result is captured as a stress-test report and action plan per scenario. |
Complexitydifferent | Medium | Medium | High | High |
Timedifferent | 1-4 Wochen | 45-90 min | 1-4 Wochen | Half day |
Participantsdifferent | 5-20 | 1-6 | 6-30 Experten | 3-8 |
Formatdifferent | Async | Workshop + async | Async | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Lean Canvas, Core Assumptions, Experiment Backlog | Expert Forecast, Consensus Range, Assumption Notes | Stress Test Report, Action Plan per Scenario |
Tagsno overlap | UX researchTrackingBehavior | StartupLeanAssumptionsBusiness model | ForecastingExpertsDecisionStrategy | StrategyBusiness modelRiskDiagnosis |