Two studies were conducted to examine the relations between similar minority groups. We predicted that minority group members would show horizontal hostility, a form of prejudice, against members of a similar, but more mainstream, minority group. The results of both studies confirmed this hypothesis. In Study 1, members of 3 Jewish congregations (reform, conservative, orthodox) showed prejudice...

Family policy is receiving much attention these days. Because the growth of single-parent families has proceeded at an accelerated rate among some minority groups, several papers focused on such trends as the growing proportion of poor children, the feminization of poverty, the increase in out-of-wedlock births, the rising unemployment rate and weakening attachment to the labor force of black m...

Abstract Political districting (PD) is a wide studied topic in the literature since 60s. It typically requires multi-criteria approach, and mathematical programs are frequently suggested to model many aspects of this difficult problem. This implies that exact models cannot be solved optimality when size territory too large. In spite this, an formulation can also exploited heuristic framework fi...