“…The average gaming time was 66.9 h per week, ranging between a minimum of 14 and a maximum of 140 h per week. Valleur and Matysiak (2004), Rossé (2012), and Hautefeuille and Wellenstein (2012) confirmed this trend based on MMORPGs (Massively Multiplayer Online Role-Playing Games). According to Berthier and Parisot (2012: 25), who studied these kinds of games, World of Warcraft (WOW) is the most popular.…”