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| Criterion |  UX Research Card Sorting |  Operations Root Cause Analysis |  Operations Kepner-Tregoe |
|---|---|---|---|
Purposedifferent | When content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Low | Medium | High |
Timedifferent | 20-45 min | 1-4 h | 2-8 h |
Participantsdifferent | Based on research question | 3-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Content groups, Label set, IA hypotheses | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | Information architectureNavigationStructure | Root causeProblem solvingQualityIncident | Problem solvingRoot causeDecisionOperations |
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