abstract deviation or in other words committing a crime is literally a social problem. this research that was conducted in 1389 and 1390 has tried to investigate the causes of crimes committed by young male inmates qazvin central prison and effective variables on their tendency to deviation. accordingly after collecting theoretical framework and offering theoretical model including both hirsch...

all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...

for several years, researchers in familiarity of efl teachers with post-method and its role in second and foreign language learners’ productions have pointed out that the opportunity to plan for a task generally develops language learners’ development (ellis, 2005). it is important to mention that the critical varies in language teaching was shown is the disappearances of the concept of method ...

برای جمع آوری اطلاعات، محقق ده زبان آموز زبان انگلیسی را مورد مصاحبه قرارداد. برای انتخاب این زبان آموزان از نمونه برداری براساس تئوری (theoretical sampling) استفاده شد. محقق برای انجام این تحقیق از روش تئوری برگرفته ازاطلاعات (grounded theory method) استفاده کرد.مصاحبه های آزاد به عنوان ابزار جمع آوری اطلاعات استفاده شد. تمامی اطلاعات بدست آمده به متن تبدیل شد، کد گذاری شد و دائماً با یکدیگر مق...

هدف این تحقیق بررسی دیدگاه های معلمین زبان انگلیسی پیرامون کتاب سوم دبیرستان که توسط وزارت آموزش و پرورش تعیین شده می باشد. این تحقیق به ارزیابی کتابی می پردازد که تصور می شود یکی از ارکان اساسی آموزش زبان انگلیسی در ایران می باشد. برای جمع آوری اطلاعات ، محقق ده معلم زبان انگلیسی مقطع دبیرستان را مورد مصاحبه قرار داده است. برای انتخاب این معلمین از نمونه برداری بر اساس تئوری (theoretical sampl...

in this investigation the effect of external field on the electron density of nanostructures of cds, cdse, cdte, gaas and polymeric structure of three, four, five and six units of cds as a kind of nanosolar cells has been studied theoretically. as modeling this system in nanodimension, molecular structures has used. specific properties of molecular structures permit us to consider different sym...