Results 1 to 10 of about 4,238,599 (179)
Common misconceptions about validation studies. [PDF]
Int 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
Remote 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
International 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
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Relative validity of a food frequency questionnaire for adolescents from a capital in the Northeastern region of Brazil [PDF]
Brazilian 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
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The Persian Handwriting Assessment Tool for Primary School-Aged Children: Further Validation [PDF]
Iranian 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
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What does validation of cases in electronic record databases mean? The potential contribution of free text [PDF]
, 2011 Electronic health records are increasingly used for research. The definition of cases or endpoints often relies on the use of coded diagnostic data, using a pre-selected group of codes.
Cassell, Jackie A +3 more
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Method validation in pharmaceutical analysis: from theory to practical optimization
INNOVATIONS 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
Palabra 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]
Journal 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
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Validation of suitable internal control genes for expression studies in aging. [PDF]
, 2009 Quantitative data from experiments of gene expression are often normalized through levels of housekeeping genes transcription by assuming that expression of these genes is highly uniform. This practice is being questioned as it becomes increasingly clear
Bacalini, MARIA GIULIA +9 more
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