• DOI:10.1177/1049732315617444
Corpus ID: 34180494

Sample Size in Qualitative Interview Studies

@article{Malterud2016SampleSI,
  title={Sample Size in Qualitative Interview Studies},
  author={K. Malterud and V. Siersma and A. D. Guassora},
  journal={Qualitative Health Research},
  year={2016},
  volume={26},
  pages={1753 - 1760}
}

K. Malterud, V. Siersma, A. D. Guassora

Published 2016

Psychology, Medicine

Qualitative Health Research

Sample sizes must be ascertained in qualitative studies like in quantitative studies but not by the same means. The prevailing concept for sample size in qualitative studies is “saturation.” Saturation is closely tied to a specific methodology, and the term is inconsistently applied. We propose the concept “information power” to guide adequate sample size for qualitative studies. Information power indicates that the more information the sample holds, relevant for the actual study, the lower… CONTINUE READING

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