Written for 12 to 14 year olds. The 25 activities use hands-on experience to facilitate youth learning, including concepts review and learning assessment at each chapter's end. A retrospective impact evaluation is included in the appendices along with additional resources, glossary, training outline and teaching tips. An accompanying cd-rom…

Background: The aims of this study were to identify the independent factors associated with intermittent addiction and addiction to the Internet and to examine the psychiatric symptoms in Korean adolescents when the demographic and Internet-related factors were controlled. Methods: Male and female students (N = 912) in the 7th-12th grades were…