Always online: problem or addiction?
February 13, 2019…n tools include Young’s Diagnostic Questionnaire for Internet addiction (8 questions) (Young 1998) and Internet Addiction Test (20 questions) (Young KS. New York: Wiley, 1998); Ko’s Diagnostic Criteria for Internet Addition for adolescents (3 criteria) (Ko et al. J Nerv Ment Dis 2005;193:728-733); and the Chen Internet Addiction Scale (26 items) (Chen et al. Chin J Psychol 2003;45:279-294). A further problem is that systematic reviews generally do…