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VOLUME 6 , ISSUE 1 ( Jan-Jun, 2017 ) > List of Articles


How Big A Sample Do I Require?

Dr. G. Ezhumalai

Citation Information : Ezhumalai DG. How Big A Sample Do I Require?. 2017; 6 (1):39-41.

DOI: 10.5005/jp-journals-10085-6113

License: CC BY-NC 4.0

Published Online: 01-10-2019

Copyright Statement:  Copyright © 2017; The Author(s).


The objective of this article is to create awareness on the importance of sample size which decides the validity and quality of the research outcome. It also provides ideas on what information is needed when consulting a statistician for sample size determination. Sample size calculation is scientific, should be reported with relevant formula and justification in every proposal/report of a research project.

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  1. S.K. Lwanga and S. Lemeshow. Sample size determination in health studies - A practical manual. World Health Organization, 1991
  2. Student. Probable error of a correlation coefficient., Biometrika, 6(2-3), 302-310, 1908
  3. Jayakaran charan, N.D. Kantharia. How to Calculate Sample Size in animal studirs? Journal of pharmacology and pharmacotherapeutics, l4(4), 303-306, 2013
  4. Baoliang Zhong, MD. How to Calculate Sample Size in Randomized Controlled Trial? Journal of thoracic disease 1:51-51 2009
  5. KP Suresh, S Chandrashekara. Top of Form Sample size estimation and power analysis for clinical research studies. J Hum Reprod Sci. 2012 Jan-Apr; 5(1): 7-13.
  6. Prashanth Kadam, Supriya Bhalerao, Sample size calculation, International journal of Ayurvedha research vol 1(1), p55-57, 2010
  7. Stata power and sample size reference manual release 13, A stata press publicaiotn, Stata corporation Ltd., College station, Texas, 2013
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