Survey the amount and aspects of social trust among internet users

The study " The amount and size of social trust of Internet users (young in Tehran)" has been done. The method was survey and measuring instrument was questionnaire. After filling the questionnaires, descriptive and inferential tables were analyzed through spss software. The study population comprised the youth in Tehran and it's sample that based on Cochran sampling formula is 384 people. Multistage cluster sampling method also taken. Social trust is the individual's feelings about things in society that indicate the individual's assessment of phenomena in society. In today's world that people's relation and interaction exceeded the level of face to face relations, social trust is one of the factors causes contunity of interaction between individuals and organizations that provides progress and development. Diversity and complexities exists in society causes necessity of more attention to social trust more than ever. Social trust just like other social phenomena influenced by various factors. New media, especially the Internet is one of the factors that could have an impact on social trust in society.With increasing use of new media and surprisingly effects of using them in our life, can be said that social trust is not immune from this role. Studies conducted in this study showed that interpersonal trust of Internet users is more than users who devote fewer hours to the Internet. The basic trust of Internet users is more than users who devote fewer hours to the Internet.The institutional trust of Internet users is more than users who devote fewer hours to the Internet.Greater values of generalized trust exists in Internet users than users who have fewer hours devote to the Internet.