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Malaysian Journal of Medical Sciences
School of Medical Sciences, Universiti Sains Malaysia
ISSN: 1394-195X
Vol. 24, No. 5, 2017, pp. 101-105
Bioline Code: mj17066
Full paper language: English
Document type: Short Communication
Document available free of charge

Malaysian Journal of Medical Sciences, Vol. 24, No. 5, 2017, pp. 101-105

 en Sample Size Calculation in Animal Studies Using Resource Equation Approach
Arifin, Wan Nor & Zahiruddin, Wan Mohd

Abstract

Animal research plays an important role in the pre-clinical phase of clinical trials. In animal studies, the power analysis approach to sample size calculation is recommended. Whenever it is not possible to assume the standard deviation and the effect size, an alternative to the power analysis approach is the ‘resource equation’ approach, which sets the acceptable range of the error degrees of freedom (DF) in an analysis of variance (ANOVA). The aim of this article is to guide researchers in calculating the minimum and maximum numbers of animals required in animal research by reformulating the error DF formulas.

Keywords
animal research; research design; sample size

 
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