نتایج جستجو برای: predictive value of tests
تعداد نتایج: 21210933 فیلتر نتایج به سال:
the ability of composing a coherent and extended piece of writing in second language is considered as a fundamental factor to convey information and ideas of learners through the academic issues. although learners may achieve a perfect academic writing skill through assigning the l2 tasks in content based instruction, but demonstration of their abilities may be related to their ability in l1 es...
background helicobacter pylori infection is a common infection that affects human beings. this infection also affects children. different diagnostic methods such as serology, stool antigen detection, rapid urease test and histology are used to detect this microorganism. objectives the aim of this study was to determine the correlation between serology and histology/rapid urease test. patients a...
building on previous studies on the effectiveness of different types of written corrective feedback, the present study aimed at investigating whether direct focused corrective feedback and direct unfocused corrective feedback produced any differential effects on the accurate use of english articles by efl learners across two different proficiency levels (low and high). in current study, the par...
testing plays a vital role in any language teaching program. it allows teachers and stakeholders, including program administrators, parents, admissions officers and prospective employers to be assured that the learners are progressing according to an accepted standard (douglas, 2010). the problems currently facing language testers have both practical and theoretical implications but the first i...
Objective: one of the best tests for the assessment of a fetus is the biophysical profile test which has a significant effect on fetus health and the outcome of pregnancy. The present study was designed to determine the relationship between the full biophysical profile and the rapid biophysical profile tests in antepartum fetal surveillance. Patients and Methods: In this prospective study, Sin...
this study attempted to explore if teaching english collocations through two different modes of awareness-raising and input flooding has any possible differential effect on immediate retention as well as retention in a delayed assessment. it also compared the possible differential effect of teaching english collocations implicitly and explicitly on actively using the items in writing. m...
Background and purpose: Appendectomy is the most common emergency surgery and diagnosis of this clinical problem is of great importance in decreasing the complications and treatment costs. In this study the diagnostic value of bilirubin level and WBC count in acute appendicitis were compared. Materials and methods: A cross-sectional study was performed in patients attending Emergency Departm...
Preoperative acid studies and early postoperative insulin tests in 275 patients undergoing various forms of vagotomy have been related to recurrent ulceration. Follow-up time has been from two to nine years, mean 4-3 years. Recurrence is directly related to basal acidity in both tests but is not related to stimulated acid levels preoperatively. In the insulin tests higher levels of acidity afte...
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