Table 31 Sept 2026From “Saturation is a decision rule, not a number”

How does population information structure dictate the necessary discovery sample?

Table 3How does population information structure dictate the necessary discovery sample?

Sampling record	Question to answer
Population map	Which subpopulations or information sources exist?
Access rule	How will each source become eligible for the sample?
Variation rule	Which contrasts are needed for the research question?
Information expectation	Why should the next case add a new code or deepen a meaning?
Repetition need	How much recurrence is needed to challenge or validate the interpretation?

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

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From the essay

From the research bench

Saturation is a decision rule, not a number

Qualitative saturation is a stopping decision, not a universal interview count: match code or meaning to the question and sampling design.

1 Sept 2026

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Isoglu, S. (2026). How does population information structure dictate the necessary discovery sample? [Table]. isoglu.com. https://isoglu.com/insights/exhibits/isoglu-2026-saturation-is-a-decision-rule-not-a-number-fig03/

BibTeX

@misc{isoglu-2026-saturation-is-a-decision-rule-not-a-number-fig03,
  author = {Isoglu, Sinan},
  title = {{How does population information structure dictate the necessary discovery sample?}},
  year = {2026},
  howpublished = {Table 3, isoglu.com},
  url = {https://isoglu.com/insights/exhibits/isoglu-2026-saturation-is-a-decision-rule-not-a-number-fig03/},
  note = {From the essay {Saturation is a decision rule, not a number}}
}

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