عنوان مقاله [English]
The present article explaines the relationship between internet addiction and valuable and social isolation of the 18-29 aged youth in Tehran city. The method of this research was survey analysis and the sample group (384 people) were chosen in stratified way through Cookeran formula. Researcher’s self- made questionnaire with 0.74 relaiability and the content validity was used to gather the data. The researche`s framwork was prepared by using Griffiths (1998), Kim (2000), Affonso (1999), Granovetter (2001), Seeman (1959) & Chalabi and AmirKafi (2004) theories. The obtained results of multiple- regression and path analysis revealed that all six indexes of internet addiction (prominence, mood changing, tolerance, conflict, recurrence) can specify 44 percent of Tehranian adult’s social isolation in which mood changing with = β 0/389 and resignation signs with = β 0/281 had the main effect and portion. In contrast to it, the tolerance with = β 0/269 and recurrence with = β 0/211 were the least affective predictors of adult’s social isolation.