هدف هدف از انجام این مطالعه مقایسه سطح اضطراب اجتماعی دانش آموزان دختر شنوا و ناشنوای 14-12 ساله بود. روش بررسی در این پژوهش کاربردی که به شیوه زمینه ای انجام پذیرفت، جامعه آماری شامل دانش آموزان دختر شنوا و ناشنوای 14-12 ساله آموزش و پرورش منطقه 17 شهر تهران بود. حجم نمونه را 60 نفر شامل 30 دانش آموز دختر شنوا و 30 دانش آموز دختر ناشنوا تشکیل می داد و روش نمونه گیری در ابتدا، به صورت نمونه گیر...

in this study, the effects of oleothermal modification on physical and mechanical peroperties of fir wood (abeis sp.) blocks were examined. at first, some blocks of fir wood with 5 × 20 × 120 cm dimensions were prepared. the blocks were treated in soybean oil. the effects of 3 factors such as treatments temperature (180and 200 °c), holding time (12 and 15 h) and initial moisture content of wood...

increasing academic and professional language demands around the world are not a deniable fact. the purpose of this study was to investigate english language needs and communication needs of the chemistry students at master and ph.d. levels at the iranian universities. in this research, different methods were used including un-structured interview, structured interview, and two sets of question...