نتایج جستجو برای: cronbach alpha coefficients were calculated alpha 081
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Backgrond: Physical health is one of the main dimensions of health and wellbeing that it is necessary to use an appropriate tool to be examined regarding lack of validity and reliability questionnaire for measuring physical health, The purpose of this study was to determine the psychometric properties of physical health questionnaire (PHQ) in Iranian population. Materials and Methods: The prese...
The aims of the present study were to 1) investigate patient anxiety as it relates to dental hygiene procedures and 2) conduct validity and reliability testing of the Turkish version of the Dental Hygiene Fear Survey (DHFS) to test its psychometric properties in the Turkish culture. The study consisted of 200 periodontal patients. The patients completed the DHFS, the Modified Dental Anxiety Sca...
the aim of this study was to investigate developmental barriers of sport for all in selected state universities of tehran city and to present strategies to developing it. the method of this study was descriptive-correlation and application in terms of aim. the statistical population consisted of all male and female faculty members of faculties of physical education and sport sciences of selecte...
در این پایان نامه به مطالعه یک مسئله مربوط به طراحی شبکه های بی سیم با استفاده از آنتن های جهت دار پرداخته می شود. مسئله را به صورت مجموعه p از n نقطه در صفحه، هر یک متناظر با یک فرستنده و گیرنده مجهز به یک آنتن جهت دار با زاویه آلفا و شعاع r مدل می کنیم. نشان داده می شود که اگر $alpha = pi /3$ باشد آن گاه همیشه جهت یابی از آنتن های جهت دار با زاویه $alpha $ امکان پذیر است به طوری که گراف ارتبا...
در این پایان نامه, یک روش تحلیلی عددی برای حل معادله دیفرانسیل جزئی خطی و غیرخطی از مرتبه کسری بفرم $ _{t_{0}}^{c} d_{t}^{alpha}u(x,t)=f(x,t,u(x,t)) $ با شرط اولیه $ u(x,0)=f(x) $ را بررسی می کنیم که در آن _{t_{0}}^{c}d_{t}^{alpha} مشتق از مرتبه کسری از نوع مشتق کاپوتو و $ 0<alphaleq 1 $ می باشد. در این کار, روش تبدیل دیفرانسیل تعمیم یافته (gdtm) ر...
BACKGROUND The central factor influencing therapeutic decisions in essential tremor (ET) is the functional impact of the tremor. Neither the neurological examination nor computerized tremor analysis measures function. Questionnaires may assess function, but data are highly subjective. Performance-based tests of functional impairment provide an alternative means with which to assess the function...
BACKGROUND Until recently, researchers have studied forms of bullying separately. For 40 years, research has looked at the traditional forms of bullying, including physical (eg, hitting), verbal (eg, threats), and social (eg, exclusion). Attention focused on cyberbullying in the early 2000s. Although accumulating research suggests that bullying has multiple negative effects for children who are...
BACKGROUND The Trauma Center Organizational Culture Survey (TRACCS) instrument was developed to assess organizational culture of trauma centers enrolled in the American College of Surgeons Trauma Quality Program (ACS TQIP). The objective is to provide evidence on the psychometric properties of the factors of TRACCS and describe the current organizational culture of TQIP-enrolled trauma centers....
The present work aims to develop a semi-analytical method to calculate the absorbed dose delivered by alpha particles in a cylindrical geometry. This method will be employed to reproduce the dose conversion coefficients or absorbed fraction of alpha particles in sensitive cells of the tracheobronchial tree obtained by NRC and ICRP, respectively. The difference caused by using water stopping pow...
PURPOSE The Millennium Cohort Study began in 2001 using mail and Internet questionnaires to gather occupational and environmental exposure, behavioral risk factor, and health outcome data from a large, population-based US military cohort. Standardized instruments, including the Patient Health Questionnaire, the Medical Outcomes Study Short Form-36 for Veterans, and the Posttraumatic Stress Diso...
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