# Springer Science+Business Media New York 2014 Abstract The Revised Chen Internet Addiction Scale (CIAS-

R) was developed to assess Internet addiction in Chinese pop-ulations, but its psychometric properties in adolescents have not been examined. This study aimed to evaluate the factor struc-ture and psychometric properties of CIAS-R in Hong Kong Chinese adolescents. 860 Grade 7 to 13 students (38 % boys) completed the CIAS-R, the Young’s Internet Addiction Test (IAT), and the Health of the Nation Outcome Scales for Children and Adolescents (HoNOSCA) in a survey. The prevalence of Internet addiction as assessed by CIAS-R was 18 %. High internal consistency and inter-item correlations were reported for the CIAS-R. Results from the confirma-tory factor analysis suggested a four-factor structure o