Although there is a relationship between paranoia and loneliness in several studies, the mechanisms that explain how loneliness augments paranoia remain unclear. The study investigates the effects of self-concept in the relationship between loneliness and paranoia.

149 participants (male N=70, female N=79, mean age: 22.05 years) completed the questionnaires measuring levels of loneliness, self-concept, and paranoia.

Data from this study show that loneliness has a significantly negative effect on self-concept and positive effect on paranoia. Self-concept has a significantly negative effect on paranoia. Also, it was analyzed that meditating effect on self-concept is significant on the relationship between loneliness and paranoia

Based on the result of this study, it was confirmed that loneliness could activate self-concept negatively, which leads to an increase in paranoia. Also, current results suggested that in the treatment of paranoia, it was important to deal with feeling of loneliness as well as intervention in self-concept.

The purpose of research is to identify the factors that influence Social Network Service (SNS) fatigue and usage satisfaction within hyperconnective society.

In study 1, a survey was carried out to 365 participants over the age of 20 to access their level of SNS fatigue. In study 2, 69 participants over the age of 20 are asked to complete an online diary for 7 days. Measuring criteria consisted of personality, loneliness, self-concept, social comparison, conversation topics, satisfaction from SNS conversation, positive and negative emotions.

In study 1, women compared to men and participants in their 30s rather than in their 20s indicated significantly higher level of SNS fatigue. Also, personality characteristics such as high neuroticism, low agreeableness, deprivation in self-concept, and frequent comparison with others indicated higher level SNS fatigue. In study 2, Communication topics such as casual inquiries, idle talk, information sharing increased the degree satisfaction; however, counseling and work related issue did not show any significant correlations. Also, a group recorded highest positive emotion on the online diary reported to have higher number of intimate off-line interpersonal relationships and significantly higher satisfaction with them.

This suggests that the degree of SNS fatigue and other psychological status are influenced not by its degree of usage but by individual’s personal characteristics, communication topics, and off-line interpersonal interaction.