Results 21 to 30 of about 4,375,437 (297)
Sampling Methods in Clinical Research; an Educational Review
Emergency, 2016 Clinical research usually involves patients with a certain disease or a condition. The generalizability of clinical research findings is based on multiple factors related to the internal and external validity of the research methods.
Mohamed Elfil, Ahmed Negida
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Minimally invasive blood sampling method for genetic studies on Gopherus tortoises [PDF]
Animal Biodiversity and Conservation, 2015 Método de extracción de sangre mínimamente invasivo para estudios genéticos en tortugas terrestres del género Gopherus La obtención de muestras de tejido de buena calidad es la primera dificultad en cualquier estudio molecular.
L. M. García–Feria +2 more
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Implementation of web-based respondent driven sampling in epidemiological studies
BMC Medical Research Methodology, 2023 Background Respondent-driven sampling (RDS) is a peer chain-recruitment method for populations without a sampling frame or that are hard-to-reach. Although RDS is usually done face-to-face, the online version (WebRDS) has drawn a lot of attention as it ...
Pedro Ferrer-Rosende +5 more
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Sensors, 2019 The deployment of small unmanned aircraft systems (UAS) to collect routine in situ vertical profiles of the thermodynamic and kinematic state of the atmosphere in conjunction with other weather observations could significantly improve weather forecasting
Phillip B. Chilson +19 more
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A Categorization of Behaviors Reported in Experience Sampling Studies
Social Psychological Bulletin, 2020 Experience sampling is considered one of the best methods for measuring behavior (Furr, 2009, https://doi.org/10.1002/per.724). When used for this purpose, it requires a coding system to transform diversified reports on what people are doing, provided as
Ewa Skimina +7 more
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Poor implementation of non-invasive sampling in wildlife genetics studies [PDF]
Rethinking Ecology, 2019 The Earth’s biodiversity is currently experiencing immense pressure from habitat loss, overexploitation, global climate change, and invasive species, which escalate the global extinction crisis.
Miriam A. Zemanova
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Revista Brasileira de Geriatria e GerontologiaResumo Introdução: estudos sobre o idoso que vive na Região Norte do Brasil ainda são incipientes e necessários para subsidiar programas de saúde pública.
Euler Esteves Ribeiro +6 more
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Sample size: how many participants do I need in my research? [PDF]
Anais Brasileiros de Dermatologia, 2014 The importance of estimating sample sizes is rarely understood by researchers, when planning a study. This paper aims to highlight the centrality of sample size estimations in health research.
Jeovany Martínez-Mesa +4 more
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VAMS-Based Blood Capillary Sampling for Mass Spectrometry-Based Human Metabolomics Studies
Metabolites, 2023 Volumetric absorptive microsampling (VAMS) is a recently developed sample collection method that enables single-drop blood collection in a minimally invasive manner.
Chiara Volani +6 more
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Simulation Studies for Complex Sampling Designs
Austrian Journal of Statistics, 2016 Choosing the appropriate variance estimation method in complex surveys is a difficult task since there exist a variety of techniques which usually cannot be compared mathematically. A relatively easy way to accomplish such a comparison is on the basis of
Helga Wagner, Doris Eckmair
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