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Criterion
Paper illustration for Opportunity Interview
Product Discovery
Opportunity Interview
A structured reflection surfaces what was liked, learned, lacked, and longed for. It is a conversation format and does not validate actions automatically.
Agile
4Ls Retrospective
Purposedifferent
When opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities.When a sprint should not only be assessed but also learned from, it captures experience in clear learning categories. It records what worked, what's missing, and what should run differently next time.
Complexitydifferent
MediumLow
Timedifferent
30-60 min je Interview45–75 min
Participantsdifferent
5-12 InterviewsTeam members involved
Formatdifferent
Workshop + asyncWorkshop
Outputdifferent
Interview Notes, Opportunity Themes, Customer Quotes4Ls Board, Learning Themes, Improvement Actions
Tagsno overlap
DiscoveryInterviewsOpportunityCustomer
RetrospectiveLearningReflectionTeam
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Often compared together

Methods with strong topical overlap with the current selection, not yet in the comparison.

Paper illustration of a team retrospective with three separate Start, Stop, and Continue areas and a shared action list.
Agile
Start Stop Continue
Paper illustration of a Learning Card with four fields for hypothesis, observation, insight, and action.
Product Discovery
Learning Card
Paper illustration for Learning Review.
Operations
Learning Review