نتایج جستجو برای: direct observations and questionnaires

تعداد نتایج: 16908696  

Journal: :BMC Musculoskeletal Disorders 2009
Birgitta Wiitavaara Martin Björklund Christine Brulin Mats Djupsjöbacka

BACKGROUND Previous research has indicated neck-shoulder disorders to have a fluctuating course incorporating a variety of symptoms. These findings awoke our interest to make a comparison between symptoms experienced by people affected with the disorder and the content of questionnaires that assess pain and other symptoms in neck-shoulder disorders. Thus the aims of this study were: -to explore...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم پایه 1392

در این رساله به بررسی رفتار جواب های رده ای از معادلات دیفرانسیل با مشتقات جزیی در دامنه های کراندار می پردازیم . این معادلات به فرم نیم-خطی و غیر خطی برای مسایل مستقیم و معکوس مورد مطالعه قرار می گیرند . به ویژه، تاثیر شرایط مختلف فیزیکی را در مساله، نظیر وجود موانع و منابع، پراکندگی و چسبندگی در معادلات موج و گرما بررسی می کنیم و به دنبال شرایطی می گردیم که متضمن وجود سراسری یا عدم وجود سراسر...

Journal: :International journal of environmental research and public health 2016
Oluyemi Toyinbo Markus Matilainen Mari Turunen Tuula Putus Richard Shaughnessy Ulla Haverinen-Shaughnessy

BACKGROUND The aim of this paper was to examine associations between school building characteristics, indoor environmental quality (IEQ), and health responses using questionnaire data from both school principals and students. METHODS From 334 randomly sampled schools, 4248 sixth grade students from 297 schools participated in a questionnaire. From these schools, 134 principals returned questi...

2015
Marit Danielsen Sigrid Bjørnelv Øyvind Rø

OBJECTIVE Compulsive exercise is a well-known feature in eating disorders. The Exercise and Eating Disorder (EED) self-report questionnaire was developed to assess aspects of compulsive exercise not adequately captured by existing instruments. This study aimed to test psychometric properties and the factor structure of the EED among women with eating disorders and a control group. METHOD The ...

Journal: :Canadian Respiratory Journal 2004

Journal: :Theory of Probability & Its Applications 1994

Journal: :Monographs of the Society for Research in Child Development 2015
Avi Sadeh

Sleep is a complex phenomenon that could be understood and assessed at many levels. Sleep could be described at the behavioral level (relative lack of movements and awareness and responsiveness) and at the brain level (based on EEG activity). Sleep could be characterized by its duration, by its distribution during the 24-hr day period, and by its quality (e.g., consolidated versus fragmented). ...

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