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Background
Internet addiction is a serious problem, and the incidence has increased significantly in recent years. In two cross‐sectional studies over a 4‐year period, we investigated Internet addiction in adolescents and evaluated the resulting changes in their lives.
Methods
Junior high‐school students (aged 12 to 15 years) were assessed in 2014 (survey I) and in 2018 (survey II). They filled...
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