3 Preliminaries 5 3.1 Rational Preference Relations (RPRs) . . . . . . . . . . . . . . . . . . . . . . 5 3.2 Profiles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.3 Choice Sets, Choice Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3.4 Social Choice Functions (SCFs) . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3.5 Social Welfare F...

This article explores the experiences of unmarried mothers who kept and tried to raise their children between World War One and the end of the twentieth century. It argues that there has not been a simple progression from their experiencing social stigma and ostracism to more enlightened attitudes since the 1970s. Rather there is a great deal that has hitherto been unknown about what the eviden...

this study investigates the effect of women's employment on family and social relations in the city of aran & bidgol. the theoretical framework of research is role conflict theory. survey methods is used in this study and the statistical population included all women working in the city of aran & bidgol. using cochran's formula and simple random sampling, 250 married women were select...

This survey is stratified random sampling among 425 students in Islamic Azad University of Mashhad (north east of Iran) in 2011 the questionnaire has been implemented in the research. The validity of the questionnaire for face validity and Cronbach's alpha reliability coefficient is used. In this study, social capital indexes like "social participation, social trust and networks of social rel...

Vila na Rede is an Inclusive Social Network (ISN) system developed as a joint effort with Brazilian communities. As a product of e-Cidadania's Project, it has inherited the objective of being accessible for the widest variety of users, including those less familiar with technology or with low literacy levels. In this direction, different features were incorporated into Vila na Rede in order to ...

Previous researchers have demonstrated an effect termed social loafing: People expend less effort when working in groups than when working alone. The explanation of this decrement has been that people can "hide in the crowd" and get away with poor performance because their individual outputs are not identifiable; holding identifiability constant eliminates the loafing effect (Williams, Harkins ...