scale may provide the best overall measure of Internet Use Disorder". Research with the PVP The article presenting the PVP questionnaire was also published in 2003 in the Italian journal Personalita/Dipendenze, edited by the Societa di Studio per i Disturbi di Personalitá and in the Greek journal Exartiseis. A short article including the questionnaire's nine items was also published in the American newsletter The Complete Practitioner. Since 2003, the PVP (in its original version or with minor changes affecting the number of questions or the response format) has been utilized in a variety of studies conducted in several countries: United States Lyles (2007) Langley (2010) Elliott, Golub, Ream, & Dunlap (2012) Ream, Elliott & Dunlap (2011a) Ream, Elliott & Dunlap (2011b) Tolchinsky & Jefferson (2011) Lewis, Weber & Bowman (2006) Hart et al. (2009) Canada Adlaf, Paglia-Boak, Beitchman & Wolfe (2008) Parker et al. (2008) Taylor (2008) Lafrenière, Vallerand, Donahue & Lavigne (2009) Iceland Hróarsson (2004) Einarsdóttir (2008) Skarphédinsson, Pálsdóttir, & Ólason (2008) Arnasson (2011) France Bioulac, Arfi & Bouvard (2008) Bioulac, Arfi & Bouvard (2010) Australia Loton (2007) Porter et al. (2010) Thailand Hongsanguansri, Silpakit & Ruangkanchanasetr (2006) Supaket, Munsawaengsub, Nanthamongkolchai, & Apinuntavetch (2008) Spain Tejeiro, Angulo, Gómez-Vallecillo, Pelegrina, Wallace & Emberley (2012) Brazil Icassati-Suzuki, Vieira, Araujo, & Magallaes (2009) Chile Arab et al. (2007) Peru Vallejos & Capa (2010) United Kingdom Collins, Freeman, & Chamarro-Premuzic (2012) China De-Lin Sun et al. (2008) References Mental disorders screening and assessment tools Addiction psychiatry