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  3. Vol. 5 No. 1 (2017): Contiuous
  4. Evidence-Based Emergency Medicine

ISSN: 2345-4563

Contiuous
Vol. 5 No. 1 (2017)

Sampling Methods in Clinical Research; an Educational Review

  • Mohamed Elfil
  • Ahmed Negida

EMERGENCY , Vol. 5 No. 1 (2017), , Page e52
https://doi.org/10.22037/emergency.v5i1.15215 Published 26 December 2016

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Abstract

Clinical research usually involves patients with a certain disease or a condition. The generalizability of clinical research findings is based on multiple factors related to the internal and external validity of the research methods. The main methodological issue that influences the generalizability of clinical research findings is the sampling method. In this educational article, we are explaining the different sampling methods in clinical research.

Keywords:
  • Research design
  • sampling studies
  • evidence-based medicine
  • population surveillance
  • education
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References

J. Wretman, Reflections on probability vs nonprobability sampling, Official Stat. Honour Daniel Thorburn. (2010) 29–35.

A. Shorten, C. Moorley, Selecting the sample., Evid. Based. Nurs. 17 (2014) eb–2014–101747–. doi:10.1136/eb-2014-101747.

F. Gravetter, L. Forzano, Selecting Research Participants, Res. Methods Behav. Sci. (2012) 125–139.

P. Sampling, P. Guidelines, M.S. Choices, T. Oaks, CHAPTER 5 C hoosing the T ype of, (2012) 125–174.

C. Teddlie, F. Yu, Mixed Methods Sampling: A Typology With Examples, J. Mix. Methods Res. 1 (2007) 77–100. doi:10.1177/2345678906292430.

T. Critically, A. Everyday, Chapter 7 . Sampling Techniques Introduction to Sampling Distinguishing Between a Sample and a Population Simple Random Sampling Stratified Random Sampling Convenience Sampling Quota Sampling Sample Size Sampling Error Evaluating Information From Samples , (n.d.) 1–23.

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