摘要:AbstractThe poster is focusing on a research of risky communication phenomenons connected with internet - especially with social networks (Facebook etc.), chatrooms, IM etc. It aims on cyberbullying, cybergrooming, sexting, sharing of personal information, methods of manipulation in virtual environments etc. The research was performed on target group of Czech teens (n=10 000, 11–17 years old).The goal of the research Risks of Electronic Communication 3 (2012) was to determine:.A. Respondents’ experience with cyberbullying from the point of view of victims and aggressors and their will to involve other people in a process of dealing with their problems.B. Respondents’ willingness to communicate with unknown persons who contact them within internet services, and their experience with meeting these people in the real world.C. Respondents’ personal data sharing within internet services (publication of personal data freely on the internet, sharing personal data with unknown persons on the internet) including respondents’ experience with sexting.D. Respondents’ experience with social networks, web storages and portals focusing on children.The research REC 3 is in its nature mainly descriptive, determined data are mainly quantitative. On-line questionnaire survey was chosen as the basic research method. The questionnaire contained 71 questions of various kinds.There have been certain changes in a variety of facts that are apparent in comparison with the survey research REC 1, 2 (conducted in 2009 – 2011). E.g. there has been a noticeable rise in the number of bullies. On the average, respondents’ willingness to turn to an adult person (parents/teachers) for help has doubled in all the cases of monitored manifestations.