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| Criterion |  Operations Change Analysis |  UX Research Tree Testing |  Innovation Design Sprint |  UX Research Card Sorting |
|---|---|---|---|---|
Purposedifferent | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | When a navigation exists but search paths still fail, tree testing checks findability without visual distraction. The method shows whether labels, levels, and paths really lead to the intended destination. | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | 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. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 45-120 min | 1-2 Tage | 4-5 Tage | 20-45 min |
Participantsdifferent | 2-6 | Based on research question | 5-8 | Based on research question |
Formatdifferent | Workshop + async | Async | Workshop | Workshop + async |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Findability Metrics, Path Analysis, Revised IA | Prototype, Test Findings, Decision Rationale | Content groups, Label set, IA hypotheses |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | Information architectureNavigationFindability | Design sprintPrototypeValidationInnovation | Information architectureNavigationStructure |