Cyberpsychol Behav. 2008 Aug;11(4):481-4. doi: 10.1089/cpb.2007.0140.
One popular facet of Internet gaming is the massively multiplayer online role playing game (MMORPG). Some individuals spend so much time playing these games that it creates problems in their lives. This study focused on players of World of Warcraft. Factor analysis revealed one factor related to problematic usage, which was correlated with amount of time played, and personality characteristics of agreeableness, conscientiousness, neuroticism, and extraversion.