The use of social networking sites (SNS) has grown and the use of social networking sites has become an integral part of everyday life. The use of social networking sites in Indonesia ranks sixth in the world with 112 million users of social networking sites. Consumption of social networking sites (SNS) certainly has an impact on the lives of individuals in the future, both positive and negative impacts. Although since the beginning the internet has offered various conveniences to its users such as speeding up individual work, media literacy, it will be worrying if it is not used wisely because it can have negative impacts such as fear of being out of date. This study aims to test the effectiveness of group counselling with mindfulness exercises in reducing the fear of missing out. The research method used is quantitative. The type of research used is experimental research with pretest-posttest control group design with repeated measurement model. The results of this study indicate that group counselling using mindfulness can reduce students' fear of missing out. In addition, other factors were found that could affect the level of students' fear of being out of date, namely how to interpret situations, beliefs and emotions. Thus, it can be concluded that group counselling using mindfulness can be used to intervene in students' fears of being left behind.

Children with selective mutism generally have difficulty in social communication and communication in class which ultimately affects their academic grades. Therefore, there needs to be an effort to help students who experience selective mutism, especially at school. The purpose of this study was to determine the effectiveness of using stimulus fading techniques and economic tokens in improving speaking skills in students with selective mutism. This study used a single-subject design with the subject of a 7-year-old male student who is in grade 1 of elementary school and has selective mutism. The results of the intervention showed an increase in the number of subjects' speaking ability wherein the baseline condition 1 subject spoke 3 times and at baseline 2 subjects managed to speak 21 times. Based on these results, it can be concluded that the use of stimulus fading techniques and economic tokens can improve the subject's speaking ability, especially in answering the teacher's questions and imitating the teacher's instructions.