Saturation in empirical tests
9–17 interviews · 4–8 focus groups
Hennink & Kaiser, 2022: a systematic review
Qualitative · Featured
How many interviews are enough? Sample size in qualitative research
What the evidence on saturation says, how information power sets your number, a separate number for each group, a stopping rule you can report, and the methods paragraph.
Tesfahun Mulatu · 30 October 2026 · 9 min read