نتایج جستجو برای: case control study
تعداد نتایج: 5686763 فیلتر نتایج به سال:
the aim of this thesis is an approach for assessing insurer’s solvency for iranian insurance companies. we use of economic data with both time series and cross-sectional variation, thus by using the panel data model will survey the insurer solvency.
this thesis attempts to measure learning styles, self efficacy and intrinsic motivation as predictors of iranian ielts reading comprehension. in order to address this issue, a quantitative study was conducted on some randomly selected intact students at ferdowsi university. these two groups were assigned as they were undergraduate (ba=91) and graduate (ma =74) students; they were all aged betwe...
this study was designed to investigate the impacts of teachers self-disclosure on students foreign language classroom anxiety, attitude to english language learning and their achievement scores at the end of the term. there were 48 female learners of intermediate level. they were not randomly selected. there were one experimental group with 21 students and one control group with 27 students.the...
تحقیق حاضر با هدف تدوین و اجرای مدلی برای ارزیابی توان تکنولوژی در شرکتهای تولیدی (و با تغییرات اندکی در شرکتهای خدماتی) انجام شده است. اطلاعاتی که از به کارگیری مدل حاصل می شود به مدیریت شرکتها کمک می کند تا اطلاعات لازم را برای تصمیم گیری در مورد ارتقا توان تکنولوژیکی شرکت خود در اختیار داشتند باشند. مدل مذکور شامل چهار جز اصلی است که عبارتند از: -اجزا تکنولوژی- توانایی های تکنولوژی- وضعیت مو...
Background and Purpose: Deficiency of free protein S, a naturally occurring anticoagulant, may be acquired in the setting of acute illness and increasingly has become recognized as a possible stroke risk factor. We sought to determine whether free protein S deficiency is associated with acute cerebral infarction among older individuals at risk for stroke. Methods: Free protein S was measured by...
Background and Purpose—Abnormalities of dermal connective tissue have been detected in patients with spontaneous cervical artery dissections (sCAD), suggesting an underlying structural defect of the arterial wall. 1-Antitrypsin (A1-AT) is a circulating serine proteinase inhibitor of proteolytic enzymes that helps to maintain the integrity of elastic and collagen fibers. Methods—To test the hypo...
Background Children are more likely to be burned than other age. The aim of this study was to determine the burn-related factors in children in Kermanshah province, Iran. Materials and Methods In the present hospital based case-control study, 198 under 15 years age children who were burned ( from beginning of spring 2016 until the end of spring 2017), enrolled into the study as cases and 19...
AIM: To assess the expression of selected microRNAs (miRNA) in hepatitis C, steatotic hepatitis C, noninfected steatotic and normal liver tissues. METHODS: The relative expression levels of miR-21, miR-33a, miR-96, miR-122, miR-125b, miR-221 and miR-224 were determined in 76 RNA samples isolated from 18 non-steatotic and 28 steatotic chronic hepatitis C (CHC and CHC-Steatosis, respectively) cas...
the construct of self-efficacy has received increasing attention in research over the past two decades. many studies have been carried out 1.3 significance of the study this study has pedagogical implications since improving students’ self- efficacy and autonomy is important for promoting actual performance on classroom academic tasks. in academic settings, it has been shown that self-effi...
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