Abstract

The purpose of this study was to develop of the Internet Game Addiction Diagnostic Scale(IGADS) for adolescents in Korea. 25 items were selected preliminary study with 248. The IGADS was administrated to 2,047 middle school students and reliabilities and validities were measured. The internal consistency (Cronbach'sα)was .93. Factor analysis explains 59.0% of variants extracts 5 factors. Each factors labeled 'low academic attitude','maladaptive behavior','negative emotional experience', 'psychological absorption and fixation' and 'relationship problem'. The criterion-related validity of the IGADS was administrated correlation with Young internet addiction scale, family environment scale, BIS-II, self-control scale, UCLA loneliness scale. 5 scales showed significantly correlation with the IGADS. According to the regression analysis, it was found that explanation variable at the range of 22%. It was as follows orderly self-control, awareness of the negative impact of (internet) game, impulsiveness, loneliness. Finally, implication and limitation of the study were discussed.