نتایج جستجو برای: predictive value of tests

تعداد نتایج: 21210933  

Journal: :iranian journal of public health 0
h. motazedian m. rezaian

sera from ninety one patients clinically suspected to extra intestinal amoebiasis (ex-am) were collected and examined for presence of anti entamoeba histolytica (e.h) antibody. the tests were indirect immunofluorescence antibody, (ifa or iif), gel diffusion (gd) and counter immuno electrophoresis (ciep). thirty one patients (34%) had anti e.h. antibody titres of >1:80. among them eight patients...

پایان نامه :دانشگاه تربیت معلم - سبزوار - دانشکده ادبیات و علوم انسانی 1389

abstract this study aimed at investigating the impact of etymology strategy instruction on the development of vocabulary of iranian intermediate efl learners. etymology, knowledge of origin of words, roots, and affixes, has proved to be a controversial issue and a question of long debate with regard to its impact on the process of vocabulary learning. this study employed etymology strategy in ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهرکرد - دانشکده ادبیات و زبانهای خارجی 1392

the application of a comprehensive model of communicative language ability (cla) to language teaching and testing has always been an imperative in l2 education since hymess proposal of communicative competence in the 1970s. recent l2 research has clearly underscored the importance of sufficient pragmatics representation as an essential component of cla in pedagogical and testing practices in l2...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده ادبیات و زبانهای خارجی 1393

the purpose of this study was to find the relationship between critical thinking and self-regulation with reading comprehension of iranian female elementary language learners. the present study is a correlational one having a descriptive design. two questionnaires, critical thinking questionnaire and self-regulation questionnaire which were valid and reliable questionnaires and four reading com...

Farhad Heydari, Majid Zamani Mehrdad Esmailian

Objective: The present study examines the diagnostic accuracy of abdominal ultrasonography and urinalysis test in children with blunt abdominal trauma, compared with CT scan. The aim of this study was to compare the diagnostic value of ultrasound and urinalysis test with CT scan as a golden standard diagnostic method in predicting abdominal peritoneal injury in these patients.Methods: Thi...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1392

the extent to which written corrective feedback on linguistic errors can play a role in helping l2 writers improve the accuracy of their writing continues to be an issue of interest to researchers and teachers since truscott (1996) mounted a case for its abolition. while there is growing empirical evidence that written corrective feedback can successfully target some types of linguistic error (...

Journal: :گوارش 0
mohammad reza fariborzi fatemeh farahmand gholam hosein fallahi mohammad taghi ashtyani masumeh hashemi azade kiumarsi

background : most diagnostic tests for biliary atresia (ba) are invasive. this study evaluates the sensitivity and specificity of serum  tumor necrosis factor-α (tnf-α) for diagnosing extra hepatic biliary duct atresia (ehba) in infants. materials and methods : infants with cholestasis who were admitted to children′s medical center hospital were evaluated. a total of 50 infants (20 with ehba an...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه الزهراء - دانشکده ادبیات، زبانهای خارجی و تاریخ 1389

recent years have witnessed an increased attention to form focused instruction and consciousness raising activities (ellis, 2002; doughty & williams, 1998) on the one hand and extensive and meaningful exposure to the target language (klapper & rees, 2003; day & bamford, 1998) on the other. due to significance attributed to above mentioned issues by scholars, this study attempted to bridge them ...

Journal: :مجله دانشگاه علوم پزشکی کرمانشاه 0
farzaneh golboni dept. of midwifery, islamic azad university, sanandaj sousan heydarpour dept. of midwifery, school of nursing and midwifery, kermanshah university of medical sciences, kermanshah ziba taghizadeh dept. of health, school of health, tehran university of medical sciences, tehran afsar rezaiepour dept. of midwifery, school of nursing and midwifery, tehran university of medical sciences, tehran anoshirvan kazemnezhad dept. of biostatistic, school of medicine,tarbiatmodares university,tehran

background: preeclampsia is the most prevalent complication of pregnancy and one ihird cause of death in pregnant women. developing of a screening test may help to early diagnosis. this study performed to compare diagnostic value of the roll over test and hematocrit level in early detection of preeclampsia.        methods: 660 pregnant women with gestational age of 24-28 weeks referred totamin ...

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