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As a result, CLEANEX-PM experiments (44, 45) could be carried out on the H exchange-in sample so as to provide a precise calibration of the relative pH values between the two sets of measurements.
Although they recommend a 20 by 20 cluster approach (400 households) as ideal, this study modified this to a 28 villages by 10 households sample so as to fit within available resources.
Initial evaluation of CNV numbers was performed on the larger sample, so as to maximize accurate evaluation of the shape of the frequency distributions.
It uses a complex multistage probability sample so as to represent the civilian, noninstitutionalized U.S. population.
It would be important to scale up this study using a nationally representative sample so as to generate information on the national prevalence of DMH and MIH.
For that, a grid inserted into the illumination path of the microscope was focused on a sample so as to produce one-dimensional sinusoidal excitation.
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In this survey, approximately 8,000 subjects were randomly sampled so as to investigate the attitudes toward ART, and the collection rate was more than 60%.
Physicians from both private and public hospitals were selected using purposeful sampling, so as to cover the range of physicians (interns, GPs/medical officers, residents and specialists), size and location of practices and sex of physicians as far as possible.
In order to maintain representativeness at the population level, additional individuals from communities involved in the previous survey (GNHIES98) and from additional communities were sampled so as to replace the number of participants expected to decline participation in DEGS1 or to be lost to follow-up.
In this paper, methods of deducing the minimum value and the Cauchy Schwarz inequality were applied to deduce the formulae for the optimum sample sizes for two-stage, two-stage cluster and three-stage sampling, so as to minimize the cost for specified values of the sampling errors and to minimize the sampling errors for specified cost.
An online questionnaire was distributed for convenience sampling so as to collect the necessary amount of samples.
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CEO of Professional Science Editing for Scientists @ prosciediting.com