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Criterion
Paper illustration of two people facing each other, speech bubbles and an open interview notebook.
UX Research
User Interviews
Paper illustration for Kepner-Tregoe
Operations
Kepner-Tregoe
Purposedifferent
When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible.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
LowHigh
Timedifferent
30–60 min per interview2-8 h
Participantsdifferent
1 participant per interview2-8
Formatsame
Workshop + asyncWorkshop + async
Outputdifferent
Interview Notes, Themes, Insight SummaryProblem Analysis, Decision Analysis, Risk Plan
Tagsno overlap
QualitativeResearchCustomerDiscovery
Problem solvingRoot causeDecisionOperations
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Methods with strong topical overlap with the current selection, not yet in the comparison.

Paper illustration for 8D Problem Solving.
Operations
8D Problem Solving
A3 Problem-Solving workspace showing the question, observations, and next decision.
Operations
A3 Problem Solving
Affinity Diagramming
UX Research
Affinity Diagramming