abstractthe role of sexual – self schema and body imag on women sexual function introduction: the aime of the present study is to investigate the role of sexual self-schema and body image on sexual function of married female nurses....... method: statistical population of the present study consist of all married female nurses of tehran government hospitals. from which 200 individuals were selec...

The precision of parameters estimation are determined by the sample size and the sampling design used in a study. Due to such practical constraints as the budget and manpower, most large-scale educational studies would not adopt the simple random sampling design. TIMSS 2007 used a two-stage stratified cluster sampling design. In the first stage, about 150 schools were selected according to some...

This paper examines the dimensions of social capital in Tehran. The data were collected by means of questionnaire. 2400 residents of Tehran were selected by stratified sampling who were over 15 years old. The theories of scholars such as Pierre Bourdieu, James Coleman, and Robert Putnam in definition of social capital are applied. Social capital has been studied in five aspects including associ...

this study aimed to identify and rank the most important environmental factors for the popularity of recreational sports in iran. only those sensitive aspects of the environment to which recreational sports should react were considered in order to survive. this study was performed consecutively in two qualitative and quantitative phases by mixed heuristic method. for this purpose the experts of...

background: unintended pregnancy (upr) with high rates of subsequent abortions remains an important problem around the world. our aim was to determine the prevalence of uprs in georgia, their outcomes, and use of modern and traditional methods of contraception in women who terminated their uprs by induced abortion (iab) and identify potentially associated factors. methods: a cross-sectional stu...