“…In each of the studies, different terminologies were applied for similar phenomena, ranging from compulsive Internet use (van Rooij, et al, 2010), problem video game playing (King, et al, 2009;Salguero & Moran, 2002) and problematic online game use to video game addiction (Skoric, et al, 2009) and online gaming addiction (Charlton & Danforth, 2007;. Similarly, a variety of measurement instruments was used in order to assess the specified problematic/addictive behaviors, namely the Compulsive Internet Use Scale (Meerkerk, Van Den Eijnden, Vermulst, & Garretsen, 2009), the Problematic Video Game Playing Test (adapted from Young, 1998), the Problem Video Game Playing Scale (Salguero & Moran, 2002), the Problematic Online Game Use Scale , an assessment of addiction tendencies (based on American Psychiatric Association, 2000), the Addiction-Engagement Questionnaire (modified from Charlton, 2002), and the Game Addiction Scale (based on Lemmens, Valkenburg, & Peter, 2009).…”