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Sample size calculation in clinical research [PDF]
Perspectives in Clinical ResearchCalculation of sample size is an essential part of research study design since it affects the reliability and feasibility of the research study. In this article, we look at the principles of sample size calculation for different types of research studies.
Priya Ranganathan +2 more
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Sample size for cluster sampling
Journal of Family Medicine and Primary Care, 2017 Barbara Olenka Sanchez-Palomino +3 more
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International Journal of Ayurveda Research, 2010 Bioactive compounds from marine flora and fauna have extensive past and present use in the treatment of many diseases and serve as compounds of interest both in their natural form and as templates for synthetic modification. Several molecules isolated from various marine organisms (microorganisms, algae, fungi, invertebrates, and vertebrates) are ...
Supriya Bhalerao, Prashant Kadam
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Sample Size Calculations [PDF]
Nephron Clinical Practice, 2011 The sample size is the number of patients or other experimental units that need to be included in a study to answer the research question. Pre-study calculation of the sample size is important; if a sample size is too small, one will not be able to detect an effect, while a sample that is too large may be a waste of time and money. Methods to calculate
Noordzij, M. +3 more
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Dependence of the sample estimates on the sample size [PDF]
E3S Web of Conferences, 2020 The paper provides data on the dependence of the sample indicators of the arithmetic mean, variance, asymmetry and excess of the length of the needles of European spruce (Picea rubra) and European larch (Larix decidua), the average length of a pair of ...
Kozlov Grigorii +2 more
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On the Sampling Size for Inverse Sampling
Stats, 2022 In the Big Data era, sampling remains a central theme. This paper investigates the characteristics of inverse sampling on two different datasets (real and simulated) to determine when big data become too small for inverse sampling to be used and to examine the impact of the sampling rate of the subsamples. We find that the method, using the appropriate
Cuntrera, Daniele +2 more
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Sample size considerations in research
Endodontology, 2023 “What should be the sample size for my study?” is a common question in the minds of every research at some point of the research cycle. Answering this question with confident is tough even for a seasoned researcher.
Shyam Sivasamy
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COMPARISON OF FREQUENTIST AND BAYESIAN APPROACHES ON SAMPLE SIZE: METHODOLOGIC STUDY
Sabiad, 2023 Objective: In the present study, we aimed to evaluate the effects of sample size on results of study by using frequentist and Bayesian approaches.Material and Methods: The small sample consisted of 32 patients with ischemic heart disease (IHD) and 37 ...
Cennet Yıldız +3 more
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