Psychometric validation of the Internet Gaming Disorder-20 Test among Chinese middle school and university students.

Background And Aims: Internet gaming disorder (IGD) was proposed in of American Psychiatric Association as an area warranting more research attention. High prevalence of excessive Internet game use and related addictions has been reported in China, especially among youth; however, there is a lack of psychometrically and theoretically sound instruments for assessing IGD in the Chinese language.

Methods: This study aimed to examine the psychometric properties of a Chinese version of the Internet Gaming Disorder Test (IGD-20 Test) among Chinese middle school ( = 569;  = 13.