Table 126 Sept 2026From “What is product-led growth? Product usage is not a growth loop”

What counts as evidence for a product-led growth decision?

Table 12What counts as evidence for a product-led growth decision?

Evidence type	It can support	It cannot support alone	Minimum fields
Descriptive	What event or state was observed.	Intent, fit, or causality.	Unit, event, period, and source.
Comparative	How two declared paths differ.	That PLG caused the difference.	Eligibility, comparison, timing, and uncertainty.
Causal	A specified effect under a defensible design.	A universal PLG result.	Treatment, comparison, outcome, horizon, and assumptions.
Delivery	Whether the promised product path was delivered.	That delivery caused revenue.	Promise, user, workflow, reviewer, and date.

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Source: Table from this essay. Sources and interpretation are given in the article.

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From the essay

Go-to-market strategy

What is product-led growth? Product usage is not a growth loop

Product-led growth is a commercial motion, not a usage count. Define the product trigger, handoff, feedback path, and outcome before naming a loop.

6 Sept 2026

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Isoglu, S. (2026). What counts as evidence for a product-led growth decision? [Table]. isoglu.com. https://isoglu.com/insights/exhibits/isoglu-2026-what-is-product-led-growth-fig13/

BibTeX

@misc{isoglu-2026-what-is-product-led-growth-fig13,
  author = {Isoglu, Sinan},
  title = {{What counts as evidence for a product-led growth decision?}},
  year = {2026},
  howpublished = {Table 12, isoglu.com},
  url = {https://isoglu.com/insights/exhibits/isoglu-2026-what-is-product-led-growth-fig13/},
  note = {From the essay {What is product-led growth? Product usage is not a growth loop}}
}

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