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Sample Size

Known as: Sample Sizes, Size, Sample, Sizes, Sample 
The number of units (persons, animals, patients, specified circumstances, etc.) in a population to be studied. The sample size should be big enough… 
National Institutes of Health

Papers overview

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2016
2016
Does progesterone therapy increase nuchal translucency in women with threatened miscarriage?
OBJECTIVES The effect of exogenous progesterone on fetal nuchal translucency (NT) has been proposed recently. In this study, we… 
2012
2012
The Body Mass Index, Waist Circumference and Blood Pressure of Postmenopausal Women in Zaria, Northern Nigeria
Changes in sex hormone during the menopausal transition are thought to have an important impact on weight gain. Obesity is known… 
Review
2003
Review
2003
Performance Tests of a 12-Channel Real-Time GPS L1 Software Receiver
A 12-channel real-time GPS software receiver has been tested in order to determine its accuracy and tracking performance under… 
Highly Cited
2002
Highly Cited
2002
Advantages, Opportunities and Limits of Empirical Evaluations: Evaluating Adaptive Systems
While empirical evaluations are a common research method in some areas of Artificial Intelligence (AI), others still neglect this… 
1999
1999
Approximate sample sizes for testing hypotheses about the ratio and difference of two means.
This article deals with a unifying approach to approximate sample size determination for different types of hypotheses formulated… 
1999
1999
Child-feeding practices as predictors of nutritional status of children in a slum area in Addis Ababa, Ethiopia
In a cross-sectional study carried out in four purposefully selected slum kebeles of Addis Ababa the nutritional status of 758… 
1991
1991
Determinants of Acorn Productivity Among Five Species of Oaks in Central Coastal California
We measured acorn production of five species of oaks (genus Quercus) over a ten year period (1980-1989) at Hastings Reservation… 
Review
1991
Review
1991
A needs assessment of persons with visual impairment: Implications for older adults and service providers.
The present study was designed to document the demographic characteristics of a sample of persons with visual disabilities and… 
1976
1976
Variances and covariances of the normal order statistics for sample sizes 2 to 50
Tables of the variances and covariances of the normal order statistics for samples of size N less than or equal to 20 were given… 
1967
1967
Psychiatric drug research. Sample size requirements for one vs two raters.
IN THE evaluation of psychiatric drug treatments, two types of errors are sometimes present in conclusions based upon statistical…