this study aimed at examining the effects of iranian efl learners’ anxiety, ambiguity tolerance, and gender on their preferences for corrective feedback (cf, henceforth). the effects were sought with regard to the necessity, frequency, and timing of cf, types of errors that need to be treated, types of cf, and choice of correctors. seventy-five iranian efl students, twenty-eight males and forty...

Introduction: Becoming a concern for top universities worldwide, internationalizing the curricula is aimed to provide an international sight for academic curricula of the disciplines in universities nowadays. The purpose of this study is to investigate effective ways of internationalizing the curricula of medical sciences disciplines from the faculty’s viewpoint in Shahid Beheshti University of...

the following null hypothesis was proposed: h : there is no significant difference between the use of semantically or communicatively translates scientific texts. to test the null hypothesis, a number of procedures were taken first, two passages were selected form soyrcebooks of food and nutrition industry and gardening deciplines. each, in turn, was following by a number of comprehension quest...

until now many studies have been done over recent decades throughout the world to show the right age to start english. in iran, research is still at an early stage in terms of evaluating teachers’ beliefs about teaching children english. the problem of at what age to start teaching english and how to teach english to elementary school children has not been solved neither in this country nor els...

power transformers are important equipments in power systems. thus there is a large number of researches devoted of power transformers. however, there is still a demand for future investigations, especially in the field of diagnosis of transformer failures. in order to fulfill the demand, the first part reports a study case in which four main types of failures on the active part are investigate...

Background & Aim: Family caregivers are one of the first and most important members involved in the pursuit of treatment and care for the elderly. Attention and care assessment of family caregivers is one of the effective factors in increasing the quality of care for the elderly. The aim of this study was to determine the caregiver burden of elderly caregivers with chronic illnesses in Tehran. ...

Introduction: Hypertension is a major risk factor for coronary heart disease. Truck drivers are more exposed to hypertension due to sedentary life style and consequent obesity, improper food, job stress and high prevalence of cigarette smoking. Materials and Methods: In this study, after completing a questionnaire by interview, the blood pressures of 122 members of ::::union:::: of truck driver...

در این پایان نامه مرکز ساز جبرهای عملگری استاندارد وh^*- جبرهای نیم ساده را بیان می کنیم. فرض کنیم a یک *h-جبر نیم ساده و t: a -> a یک نگاشت جمعی باشد به طوری که به ازای هر x∈a و بعضی n ≥ 1 داشته باشیم. 2t(x n+1) = t(x)xn + xnt(x) در این صورت t یک مرکزساز چپ و راست است. این پایان نامه بر اساس مقاله ی زیر نوشته شده است: i. kosi-ulbl and j. vukman, on centralizers of standard operator algebras ...