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Sampling Methods

Journal of Human Lactation, 2020
Knowledge of sampling methods is essential to design quality research. Critical questions are provided to help researchers choose a sampling method. This article reviews probability and non-probability sampling methods, lists and defines specific sampling techniques, and provides pros and cons for consideration.
Andrea E Berndt
exaly   +3 more sources

Qualitative Sampling Methods

Journal of Human Lactation, 2020
Qualitative sampling methods differ from quantitative sampling methods. It is important that one understands those differences, as well as, appropriate qualitative sampling techniques. Appropriate sampling choices enhance the rigor of qualitative research studies.
Sara L Gill
exaly   +3 more sources

A Method of Language Sampling

Studies in Language, 1993
In recent years more attention is being paid to the quality of language samples in typological work. Without an adequate sampling strategy, samples may suffer from various kinds of bias. In this article we propose a sampling method in which the genetic criterion is taken as the most important: samples created with this method will reflect optimally the
Jan Rijkhoff   +3 more
openaire   +3 more sources

On multitrial sampling methods

Biometrika, 1977
SUMMARY Properties, including the expected number of trials, are studied for a general multitrial sampling method. It is demonstrated that for every sampling design an equivalent multitrial sampling method can be derived. Some key word8: Expected number of trials; Population; Rejective sampling; Sampling methods.
Deshpande, M. N.   +1 more
openaire   +1 more source

Beryllium Sampling Methods

American Industrial Hygiene Association Journal, 1980
Three sampling methods for airborne beryllium are compared to validate observations made in a 1973 National Institute for Occupational Safety and Health (NIOSH) industrywide study of the beryllium industry which indicated that, in general, the three methods yielded different results for samples taken in the same environment.
H M, Donaldson, W T, Stringer
openaire   +2 more sources

Methods for aeroallergen sampling

Current Allergy and Asthma Reports, 2004
Air sampling provides information about the bioaerosol composition of the atmosphere. Principal methods of volumetric sample collection include impaction, impingement, and filtration. Many instruments have been developed based on these collection methods.
openaire   +2 more sources

Sampling methods II

BMJ, 2011
Researchers undertook a cross sectional study of the use of a coffee creamer as infant food in Laos. To ensure the study was nationally representative, they selected five districts across southern, central, and northern Laos. In total, 84 villages were randomly selected from the five districts.
openaire   +1 more source

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