Objective: Population censuses, as rich resources to find knowledge of demographic characteristics, are used to survey main characteristics of households in Iran that have wide application in planning, socio-economic and cultural policymaking. One of the most difficulties in demographical studies is the composition of households and analyzing the trend of changes during time. In this paper...

Objective: Population censuses, as rich resources to find knowledge of demographic characteristics, are used to survey main characteristics of households in Iran that have wide application in planning, socio-economic and cultural policymaking. One of the most difficulties in demographical studies is the composition of households and analyzing the trend of changes during time. In this paper...

current studies in second language (l2) learning have revealed the positive role of corrective feedback (cf) in both oral and written forms in different language features. the present study was an attempt to investigate the effect of both direct and indirect written corrective feedback (wcf) on the use of grammatical collocations in l2 writing. the study also sought to examine whether the effec...

as far as bandura’s (1977) conceptualization of the sense of self-efficacy is concerned, it is argued to be context- and even task-specific, compared to other concepts like self-esteem (brown, 2000); therefore, upon the previous research studies, related theories and definitions, and the ideas and views obtained from the interviews conducted with the scholars, the current research study aimed a...

Introduction: Drug abuse has imposed high economic and social costs through its destructive effects on people 's health and increased crime and mortality.This affects the social welfare through the impact on the health of the consumer. Therefore, the main purpose of this study is to model the effects of addiction on social wellfare with an emphasis on health in Iran.  Method:this study is  a d...

  Background and Aim: Economic factors, including life insurance in financial sector may have a significant effect on health sector and consequently on the life expectancy of the society. The life insurance effects on health index indirectly through economic growth and directly through bringing mental relaxation and social welfare for the person applying for life insurance. The main purpose of ...

since the 1960s the age effects on learning both first and second language have been explored by many linguists and applied linguists (e.g lennerberg, 1967; schachter, 1996; long, 1990) and the existence of critical period for language acquisition was found to be a common ground of all these studies. in spite of some common findings, some issues about the impacts of age on acquiring a second or...