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Selected:Hypothesis-Driven Troubleshooting Failure Mode and Effects Analysis Riskiest Assumption Test Assumption Surfacing

Criterion	Engineering Hypothesis-Driven Troubleshooting	Operations Failure Mode and Effects Analysis	Product Discovery Riskiest Assumption Test	Decision Making Assumption Surfacing
Purposedifferent	When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable.	For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability.	When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report.	Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it.
Complexitydifferent	Medium	High	Medium	Low
Timedifferent	30-240 min	2-6 h	1-2 Wochen pro Iteration	45-90 min
Participantsdifferent	1-6	3-10	2-6	2-8
Formatdifferent	Workshop + async	Workshop	Workshop + async	Workshop + async
Outputdifferent	Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary	FMEA Table, Risk Priority, Mitigation Actions	Prioritized Assumption List, Test Plan, Results Report	Assumption List, Critical Assumptions, Learning Plan
Tagsno overlap	TroubleshootingProblem solvingDiagnosis	RiskQualityOperationsRoot cause	ExperimentsValidationDiscoveryAssumptions	AssumptionsRiskDecisionDiscovery

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