Results 1 to 10 of about 4,269,345 (275)

Common misconceptions about validation studies. [PDF]

open access: yesInt J Epidemiol, 2020
Abstract Information bias is common in epidemiology and can substantially diminish the validity of study results. Validation studies, in which an investigator compares the accuracy of a measure with a gold standard measure, are an important way to understand and mitigate this bias.
Fox MP, Lash TL, Bodnar LM.
europepmc   +4 more sources

Deep Learning-Based Radar Composite Reflectivity Factor Estimations from Fengyun-4A Geostationary Satellite Observations

open access: yesRemote Sensing, 2021
Ground-based weather radar data plays an essential role in monitoring severe convective weather. The detection of such weather systems in time is critical for saving people’s lives and property.
Fenglin Sun, Bo Li, Min Min, Danyu Qin
doaj   +1 more source

Translation, Cultural Adaptation and Validation to Brazilian Portuguese of the Tinnitus Functional Index Questionnaire

open access: yesInternational Archives of Otorhinolaryngology, 2022
Introduction Tinnitus affects a large portion of the world's population. There are several questionnaires being used for the evaluation of the severity of tinnitus and its impact in quality of life; however, they do not measure treatment-related changes.
Marine Raquel Diniz da Rosa   +5 more
doaj   +1 more source

Relative validity of a food frequency questionnaire for adolescents from a capital in the Northeastern region of Brazil [PDF]

open access: yesBrazilian Journal of Medical and Biological Research, 2020
The present study was conducted to evaluate the validity of the Food Frequency Questionnaire (FFQ) used in the RPS Birth Cohort Consortium (Ribeirão Preto, Pelotas, and São Luís) to assess dietary intake of adolescents from São Luís, Maranhão.
E.G. Bogea   +7 more
doaj   +1 more source

The Persian Handwriting Assessment Tool for Primary School-Aged Children: Further Validation [PDF]

open access: yesIranian Journal of Medical Sciences, 2020
Background: Handwriting problems are one of the common problems among students in the early years of education. The current study aimed to determine further validation aspects of the Persian Handwriting Assessment Tool (PHAT) in primary school-aged ...
Mahsa Meimandi   +3 more
doaj   +1 more source

Method validation in pharmaceutical analysis: from theory to practical optimization

open access: yesINNOVATIONS in Pharmacy, 2015
The validation of analytical methods is required to obtain high-quality data. For the pharmaceutical industry, method validation is crucial to ensure the product quality as regards both therapeutic efficacy and patient safety.
Jaqueline Kaleian Eserian   +1 more
doaj   +1 more source

An Approach to Defining the Identity of a Media Fan

open access: yesPalabra Clave, 2020
Aproximación a la definición de la identidad del espectador fan Abordagem para a definição da identidade de um fã espectador This study is based on a sample of Spanish viewers of audiovisual fiction, seeking to understand behavior associated with fan ...
Javier Lozano Delmar   +2 more
doaj   +1 more source

Translation and validation of Persian version of Index of Dental Anxiety and Fear (IDAF-4C+) [PDF]

open access: yesJournal of Oral Health and Oral Epidemiology, 2019
BACKGROUND AND AIM: Being able to measure dental anxiety and fear is a necessary prerequisite for studying and understanding the nature and consequences of this common fear.
Mohadeseh Arabsolghar   +3 more
doaj   +1 more source

Desenvolvimento e validação de método analítico para determinação do teor de sinvastatina em cápsulas magistrais

open access: yesQuímica Nova, 2011
Simvastatin is an oral anti-hyperlipidemic that has been widely used to reduce the cardiovascular disease risk. There isn't any pharmacopoeic method to assay this drug in capsules.
Hudson Caetano Polonini   +5 more
doaj   +1 more source

Validation of Canproj for projecting Canadian cancer incidence data

open access: yesHealth Promotion and Chronic Disease Prevention in Canada, 2020
Introduction: Cancer projections can provide key information to help prioritize cancer control strategies, allocate resources and evaluate current treatments and interventions.
Alain Demers   +3 more
doaj   +1 more source

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