Results 51 to 60 of about 3,789,491 (216)

Essentials of sample size calculation

open access: yesCurrent Medicine Research and Practice, 2013
Some essential information is required before the sample size of a study can be calculated. Choosing a study design is the first step. Next, we need to know the type of parameters of interest, inter-individual variability, precision, chance of errors ...
Anita Singh, Arun Soni, Satish Saluja
doaj  

Two Measures for Sample Size Determination

open access: yesSurvey Research Methods, 2011
Social surveys often must estimate the sizes or the proportions of many small groups and differences among them. The discussion of the needed precision of the estimators and the corresponding sample size is difficult, in particular when lay persons are ...
Philippe Eichenberger   +2 more
doaj   +1 more source

Sample size calculation

open access: yesAmrita Journal of Medicine, 2023
S Saraswathy   +3 more
doaj   +1 more source

Sample Size Determination for Food Sampling

open access: yesJournal of Food Protection, 2023
Industry and public health agencies sample and test food products for various purposes related to food safety and quality. Methods of sample selection and sample size determination are important in designing an optimal sampling plan.
Shizhen S. Wang   +3 more
doaj  

Basics of statistics-3: Sample size calculation – (i)

open access: yesCancer Research, Statistics, and Treatment, 2020
Introduction: From a practicing oncologist's perspective, sample size calculation is a very intriguing aspect of medical statistics. Methods: Basic aspects of sample size calculation in relevant case scenarios are discussed.
H S Darling
doaj   +1 more source

Principles of sample size calculation

open access: yesIndian Journal of Ophthalmology, 2010
In most areas in life, it is difficult to work with populations and hence researchers work with samples. The calculation of the sample size needed depends on the data type and distribution.
Gogtay Nithya
doaj  

Sample size analysis for conducting research [PDF]

open access: yesITM Web of Conferences
The paper describes a method for analyzing a sample size for conducting research. The main stages of sample size analysis with different error rates are considered. The stages of the work in the software for calculating the error rate and sample size are
Pokushko Mariia   +5 more
doaj   +1 more source

Sample Size and Power

open access: yesJournal of Investigative Surgery, 1993
This paper sets forth the basic concepts of the calculation of sample size and power in clinical research. It provides the reader with a basic understanding of the relationship between sample size and power and the components within the research, such as the variability of the measure being used as the primary outcome. The paper also discusses a number
openaire   +3 more sources

How to choose a sampling technique and determine sample size for research: A simplified guide for researchers

open access: yesOral Oncology Reports
An appropriate sampling technique with the exact determination of sample size involves a very vigorous selection process, which is actually vital for any empirical research.
Sirwan Khalid Ahmed
doaj  

Sample size for ophthalmology studies

open access: yesIndian Journal of Ophthalmology, 2000
Knowledge and the usage of actual sample size formulae are a necessity as validity of the inferences from research studies is often dependent on this. This paper explains how sample sizes are calculated.
Naduvilath Thomas   +2 more
doaj  

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