Results 41 to 50 of about 50,799,135 (318)
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
doaj +1 more source
Aids and Behavior, 2012 Respondent-driven sampling (RDS) has become increasingly popular for sampling hidden populations, including injecting drug users (IDU). However, RDS data are unique and require specialized analysis techniques, many of which remain underdeveloped.
Cyprian Wejnert +4 more
semanticscholar +1 more source
Sampling in design research: Eight key considerations
Design Studies, 2022 How a research team defines their study sample can be decisive in shaping impact on both practice and theory. However, sampling in design research faces several major challenges, including diverse terminology, limited prior literature, and lack of common ...
P. Cash +3 more
semanticscholar +1 more source
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
doaj +1 more source
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
doaj +1 more source
Sampling: how to select participants in my research study? [PDF]
Anais Brasileiros de Dermatologia, 2016 : Background: In this paper, the basic elements related to the selection of participants for a health research are discussed. Sample representativeness, sample frame, types of sampling, as well as the impact that non-respondents may have on results of a
Jeovany Martínez-Mesa +4 more
doaj +2 more sources
Doing Online Surveys: Zum Einsatz in der sozialwissenschaftlichen Raumforschung
Raumforschung und Raumordnung, 2015 Empirical social research made use of online surveys since the mid-1990s. However, there is no significant methodological debate about this empirical tool in socio-scientific regional studies.
Robert Nadler +2 more
doaj +1 more source
Worse Than Spam: Issues In Sampling Software Developers
, 2017 Background: Reaching out to professional software developers is a crucial part of empirical software engineering research. One important method to investigate the state of practice is survey research.
Fisher D. +2 more
core +1 more source
Population Assessment During the Adult Stage of the Alfalfa Blotch Leafminer, \u3ci\u3eAgromyza Frontella\u3c/i\u3e (Diptera: Agromyzidae) [PDF]
, 2017 This paper presents a sampling procedure for estimating adult populations of the alfalfa blotch leafminer, Agromyza frontella (Rondani). The method is based on counts of the flies as they emerge from the soil following adult metamorphosis, taken in a ...
Harcourt, D. G
core +2 more sources
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Pediatric patients with extracranial solid tumors (ST) receiving chemotherapy are at an increased risk for Pneumocystis jirovecii pneumonia (PJP). However, evidence guiding prophylaxis practices in this population is limited. A PJP‐related fatality at our institution highlighted inconsistent prescribing approaches and concerns about
Kriti Kumar +8 more
wiley +1 more source