時岡良太, 佐藤 映, 児玉夏枝, 田附紘平, 竹中悠香, 松波美里, 岩井有香, 木村大樹, 鈴木優佳, 橋本真友里, 岩城晶子, 神代末人, and 桑原知子
LINE is a mobile application used mainly for communication with friends. Recently, LINE has become indispensable, particularly for young people. This study explored high school students' cognition about communication through LINE and revealed the effect of their friendships on it. High school students (N=423) completed a LINE scale that was constructed for this study and a Friendship scale in an online survey. Exploratory factor analysis yielded the following six factors: (1) “anxiety about being ignored,” (2) “ease,” (3) “sense of miscommunication,” (4) “increase in aggressiveness,” (5) “obsession with quick reply,” and (6) “sense of being close.” Subsequently, a multiple population analysis suggested that a psychological tendency to avoid being disliked by friends is one of the reasons for high school students' ambivalence about communication through LINE. [ABSTRACT FROM AUTHOR]