abstract english language learning in iran has become significant in recent years, and english has been included in the curriculum of iranian schools and universities, and considerable attention has been paid to this language in our society. nevertheless, teaching and learning english in iranian schools has not been able to satisfy the specified goals, so different efl institutes have been est...

abstract listening is a key and main tool in second language skill and its development is of prime concern to teachers and learners. furthermore, the application of technology in language classrooms has become more commonplace in the last fifty years. computer and the internet have made foreign language materials easy to access and use. so, the present study is an attempt to examine the effec...

IIntroduction Improving physical performance and delaying fatigue by using nutritional supplements always has been interesting in athletes. The aim of this study was to evaluate the effect of six weeks’ watermelon juice on nitric oxide and exercise performance in elite female taekwondo. Materials and Methods Twenty-five elite female taekwondo players (age 21.84±2.26 yrs; BMI 20.87±1.37 Kg/m2;...

this study investigates the strategies native english and persian speakers employ for expressing gratitude in different situations. the strategies of persian efl learners are also compared with english strategies in order to find the differences that may exist between these two languages. social status and size of imposition of the favor are social variables which are investigated in detail for...

this study investigates the relationships between iranian efl teachers’ perfectionism, burnout and their teaching style preferences, and also the difference between male and female efl teachers and their teaching style preferences. to this end, a sample of 99 efl teachers (46 males and 53 females), who had years of teaching experience, were selected. the measurement scales used in this study we...

Background and aims: In many communities, the sport as a method of therapy is used to improve the disabled and veterans' health which has been a useful and effective. The aim of this study was to examine the effect of aerobic exercise on general health and serotonin levels in inactive veterans. Material and method: Based on semi experimental design 40 veterans, 25 percent impaired and with...

مقدمه: افراد چاق به دلیل داشتن چربی بیشتر در بالاتنه و فشاری که بر سیستم تنفسی آن ها وارد می شود، دچار مشکلات تنفسی و کاهش شاخص های عملکردی ریه می شوند. هدف ما از این پژوهش بررسی اثر 15 روز هایپوکسی تناوبی بر شاخص -های عملکردی ریوی در بیماران چاق مبتلا به دیابت نوع دو بوده است.  مواد و روش ها: 7 آزمودنی چاق و مبتلا به دیابت نوع دو(1 مرد و 6 زن)، با میانگین bmikg.m-206/1±42/32 و دامنه سنی 50 تا ...

هدف این پژوهش بررسی رابطه برخی شاخص های فیزیولوژیکی و آنتروپومتریکی با کیفیت زندگی مرتبط با سلامتی افراد میانسال سالم بود. بدین منظور 146 داوطلب (سن، 10/1±48 سال؛ قد، 3/7±174/4 سانتی متر؛ وزن، 4/3±79/6 کیلوگرم؛ vo2max، 8/1±27/4 میلی لیتر در کیلوگرم در دقیقه) از بین دبیران مرد آموزش و پرورش شهرستان بجنورد که از لحاظ جسمی و روحی در سلامت کامل بودند، در این مطالعه شرکت کردند. کیفیت زندگی آزمودنی ه...