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Related Experiment Videos

Sampling for qualitative research

M N Marshall1

  • 1Institute of General Practice, University of Exeter, Postgraduate Medical School, UK.

Family Practice
|December 1, 1996
PubMed
Summary

Probability sampling is unsuitable for qualitative research. This study explores naturalistic sampling methods like convenience, judgment, and theoretical models, with practical examples.

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Area of Science:

  • Social Sciences
  • Research Methodology

Background:

  • Quantitative research often relies on probability sampling.
  • Qualitative research presents unique sampling challenges distinct from quantitative approaches.

Purpose of the Study:

  • To differentiate between probability sampling and naturalistic sampling methods.
  • To describe and illustrate three categories of naturalistic sampling: convenience, judgment, and theoretical models.

Main Methods:

  • Conceptual analysis of sampling strategies.
  • Description of three naturalistic sampling categories.
  • Illustration with practical research examples.

Main Results:

  • Probability sampling techniques are generally inappropriate for qualitative research.
  • Naturalistic sampling encompasses convenience, judgment, and theoretical models.
  • These methods offer flexibility for qualitative inquiry.

Conclusions:

  • Qualitative research requires distinct sampling strategies.
  • Convenience, judgment, and theoretical sampling provide viable frameworks.
  • Understanding these methods enhances the rigor of qualitative studies.

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