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Facilitated Group
Trendline
Participants collaboratively create a time-based graph to map their perceptions of changes in a specific parameter, such as resource availability or income. They discuss and annotate the reasons for observed trends, then consolidate sub-group results into a shared diagram.
When This Method Fits
Typical duration
Hours
Typical cost
Low
Fidelity level
Talk Only
Stage
Discovery
Hypothesis type
Exploratory
Goal type
Find product-market fit, Deepen product-market fit, Maximize societal impact, Drive corporate innovation / R&D, Improve operational efficiency
Randomization
N/A
Study design
Longitudinal panel design
Minimum units needed
4
1Best Fit When
Best when you need a shared, historical understanding of how a specific factor has changed over time, grounded in participants' own lived perception.