background: conducted researches show that psychological factors may have a very important role in the etiology, continuity and consequences of coronary heart diseases. this study has drawn the psychological risk and protective factors and their effects in patients with coronary heart diseases (chd) in a structural model. it aims to determine the structural relations betweenpsychological risk a...

built environment does not “simply appear overnight, like a movie-set springing up on a vacant lot, but has to be produced”.thus, the first point in dealing with such an environment is considered to be the tracing of time in the evaluation of the city and keeping in mind that the whole is more than its parts. the last point becomes naturally understood when the process of city building is p...

This research studies organizational and structural barriers in women's participation in the administrative structure of Iran emphasizing on women working in private sector in district 6 of Tehran and hypotheses have been propounded among structural, organizational and cultural factors and women's participation and research method in this research is based on survey method and in this order qua...

Many factors may be involved in determining why some students are more and some are less proficient in language. This study tried to explore the factors affecting Iranian EFL learners’ proficiency. 221 students at second, third and fourth year of university, including 50 male and 171 female were selected randomly to participate in the study. A researcher-made questionnaire and a proficiency tes...

the present research applies the information of major plans for predicting drug consumption in 1991/1992 as well as the data of census in 1990 to evaluate this assumption that “ some arrestees’ sturctural weakness-related factors” contribute in using cocaine and other opiates. this research which applies non-linear modelling techniques، reviews the effectivity of the social control factors as w...

in this paper, we have tried to analyze and asses the process of formation and spatial – structural evolution of iranian-islamic cities through tehran case study as well as how to organize and effecting different factors specially modernism on urban elements. also we have discussed about formation and emergence of tehran and the effect of different pre modernism and postmodernism socio-economic...