Results 21 to 30 of about 8,978,019 (319)
Ciência Rural, 1996 Com base em resultados de experimentos conduzidos nos anos agrícolas de 1991/92 e 1992/93 no Departamento de Fitotecnia da Universidade Federal de Santa Maria com as cultivares de feijoeiro Iraí e Macanudo, calculou-se o tamanho da amostra necessário ...
Valduíno Estefanel +2 more
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A Complete Sample of Megaparsec Size Double Radio Sources from SUMSS [PDF]
, 2005 We present a complete sample of megaparsec-size double radio sources compiled from the Sydney University Molonglo Sky Survey (SUMSS). Almost complete redshift information has been obtained for the sample.
Cotter G. +8 more
core +3 more sources
Sample size calculation: Basic principles
Indian Journal of Anaesthesia, 2016 Addressing a sample size is a practical issue that has to be solved during planning and designing stage of the study. The aim of any clinical research is to detect the actual difference between two groups (power) and to provide an estimate of the ...
Sabyasachi Das +2 more
doaj +1 more source
Methodological considerations for the design and implementation of reliable and valid web surveys
Public Health and Toxicology, 2021 This article examines practical epidemiology principles related to the design and implementation of web surveys. Six practice-oriented items are critically examined: 1) The study question; 2) The target population; 3) Study population needed; 4) Sampling
Israel Agaku
doaj +1 more source
Allergologia et Immunopathologia, 2014 When designing any research project, definition is required of the sample size needed in order to carry out the study. This sample size is an estimate of the number of patients required in accordance with the pursued study objective. In this context, it is more efficient in terms of both cost and time to use samples than to work with the entire ...
Mm, Rodríguez Del Águila +1 more
openaire +2 more sources
Surveillance Analysis and Sample Size Explorer (SASSE): Learning How to Plan Disease Surveillance in Wildlife. [PDF]
Ecol EvolSmith L +5 more
europepmc +3 more sources
Tips for troublesome sample-size calculation [PDF]
Korean Journal of Anesthesiology, 2020 Properly set sample size is one of the important factors for scientific and persuasive research. The sample size that can guarantee both clinically significant differences and adequate power in the phenomena of interest to the investigator, without ...
Junyong In +7 more
doaj +3 more sources
Concepts in sample size determination
Indian Journal of Dental Research, 2012 Investigators involved in clinical, epidemiological or translational research, have the drive to publish their results so that they can extrapolate their findings to the population.
Umadevi K Rao
doaj +1 more source
Small sample sizes in the study of ontogenetic allometry; implications for palaeobiology [PDF]
PeerJ, 2015 Quantitative morphometric analyses, particularly ontogenetic allometry, are common methods used in quantifying shape, and changes therein, in both extinct and extant organisms.
Caleb Marshall Brown, Matthew J. Vavrek
doaj +2 more sources
Sample Size Determination for Food Sampling
Journal 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 +1 more source