â â â â â â â  abstract â  the present research aims to identify effective factors on the reduction of social cooperation with the purpose of attracting social cooperation in directing city zones (zone number 3 in shiraz).the methodology of this research was based on documentary and survey methods. the statistical sample of this research contains people 18 years old and over who live in zone nu...

The authors investigated basic properties of social exchange and interaction with technology in an experiment on cooperation with a human-like computer partner or a real human partner. Talking with a computer partner may trigger social identity feelings or commitment norms. Participants played a prisoner's dilemma game with a confederate or a computer partner. Discussion, inducements to make pr...

Pro-social punishment, whereby cooperators punish defectors, is often suggested as a mechanism that maintains cooperation in large human groups. Importantly, models that support this idea have to date only allowed defectors to be the target of punishment. However, recent empirical work has demonstrated the existence of anti-social punishment in public goods games. That is, individuals that defe...

This paper examines three ancient traits of religion whose origins likely date back to the Upper Paleolithic: ancestor worship, shamanism, and the belief in natural and animal spirits. Evidence for the emergence of these traits coincides with evidence for a dramatic advance in human social cooperation. It is argued that these traits played a role in the evolution of human cooperation through th...

Human populations are both highly cooperative and highly organized. Human interactions are not random but rather are structured in social networks. Importantly, ties in these networks often are dynamic, changing in response to the behavior of one's social partners. This dynamic structure permits an important form of conditional action that has been explored theoretically but has received little...

précis this debate article highlights the challenges of health situation in iran and some influencing or relevant factors such as health sector, welfare system and social protection, social exclusion and civil society from the viewpoint of an international partner. some advanced experiences in iranian health system and the manner of system for international cooperation have also been discussed.