نتایج جستجو برای: validation studies publication type

تعداد نتایج: 2919432  

Maryam Hashemipoor Mohadeseh Arabsolghar, Nazila Lashkarizadeh Taghi Momeni

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. Index of Dental Anxiety and Fear (IDAF-4C+) is the latest scale presented for the assessment of dental anxiety, but it has never been applied in Iran. The aim of this study was t...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم پزشکی 1389

introduction: diabetes mellitus is an growing national and international public health concern. the number of people affected by diabetes in world by 2030 will be 69% in developing countries. regular physical activity plays a key role in the management of type 2 diabetes melitus, particularly glycemic control. it has been recommended that peoples with type 2 diabetes participate in moderate-int...

Afsaneh Aghaie, Behrooz Karimi, Masud Yunesian, Parvin Mehdipour, Ramin Nabizadeh,

Background: Epidemiological studies have probed the correlation between telomere length and the risk of lung cancer, but their findings are inconsistent in this regard.  The present meta-analysis study has been carried out to demonstrate the association between relative telomere length in peripheral blood leukocytes and the risk of lung cancer using an established Q-PCR technique. Methods:...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز 1381

‏‎the community dynamics of aquatic coleoptera(insecta)in one of the spring-stream habitats of bammo national park in fars province called cheshmeh-ye-ghanbari is studied as a pilot project and model for acquaintance with and furthering the biodiversity studies on fauna of iran. sixteen species-populations out of nineteen of this community were already identified for their taxonomy and for thei...

2017
Francis Nissen Jennifer K Quint Samantha Wilkinson Hana Mullerova Liam Smeeth Ian J Douglas

BACKGROUND Asthma is a common, heterogeneous disease with significant morbidity and mortality worldwide. It can be difficult to define in epidemiological studies using electronic health records as the diagnosis is based on non-specific respiratory symptoms and spirometry, neither of which are routinely registered. Electronic health records can nonetheless be valuable to study the epidemiology, ...

Journal: :Ciencia & saude coletiva 2015
Angelo Brandelli Costa Ana Paula Couto Zoltowski Silvia Helena Koller Marco Antônio Pereira Teixeira

The aim of this study was to describe the process of creation and validation of methodology to assess the methodological quality of systematic reviews. From the expansion of the scope and addition of new items to the Assessment of Multiple Systematic Reviews (AMSTAR) instrument evidence of validity and reliability of the new methodology was sought. Firstly, the original scale was translated, ad...

Journal: :Canadian journal of public health = Revue canadienne de sante publique 2016
Aynslie Hinds Lisa M Lix Mark Smith Hude Quan Claudia Sanmartin

OBJECTIVE Administrative health databases are increasingly used to conduct population-based health research and surveillance; this has resulted in a corresponding growth in studies about their quality. Our objective was to describe the characteristics of published Canadian studies about administrative health database quality. METHODS PubMed, Scopus, and Google Advanced were searched, along wi...

Journal: :international journal of occupational and environment medicine 0
f habibzadeh the ijoem

[no abstract available]

Journal: :Alternatives to laboratory animals : ATLA 2002
Andrew P Worth Michael Balls

The validation of a test method is the process by which the relevance and reliability of the method are assessed for a particular purpose. It is an essential stage in the evolution of the method from its development to its acceptance and application for regulatory purposes. The principles according to which alternative tests should be validated have been agreed upon at an international level, a...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید