It has long been a challenge for online game providers that, after playing a game for a certain period of time, online game players frequently switch to alternative games without much hesitation. Current IS continuance theories, that are mainly developed to interpret user continuance of general utilitarian IS, are ineffective to interpret user continuance of hedonic IS. In this study, based on ...

the aim of this study is to produce a theory of action with emphasis on the vat tax and to discover the underlying condition, the causal factors and interventions that affect this action. the method of underlying theory was used. and using purposive sampling, depth interviews were conducted with 51 participants. the findings show that deinstitutionalization of vat is of category or central core...

parvin etesami is a poet who artistically used persian poetry in order to criticize the status quo of the society and express its deficiencies. her divan (collection of poems), which is her only heritage for us, is teeming with debates, allegories, sarcasms with social themes. this article deals with sociological investigation of the social and class discrimination from her point of view. in ad...

nowadays, social networks play a key role in the study of sociology, socialpsychology and sociology. social network facebook has turned into a virtualsystem covering more than 900 million people around the world. in islamicrevolution of iran as a world revolution, universal definition, it can use as anew possibility. this paper will identify the capabilities and challenges withusing facebook. p...