Abstract
The present study investigated the influence on Internet addiction of numerous variables ranging from personality to psychological and physical well-being, in a large and highly ecologically valid sample of mainly male adolescent online computer gamers (first-person-shooter video gamers) in Germany. Low Self-Directedness could be linked to a high Internet Addiction Test score in the present study, and the data yielded a continuum model indicating that low Self-Directedness is highly correlated with Internet Addiction Score, not only in students but also in first-person-shooter video gamers.
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