“…All studies involved data collection via survey instruments, though administration differed from email (Sheehan & Hoy, 1999;Sheehan & Hoy, 1999), mail (Eastlick et al, 2006), paper with immediate response submission opportunities (Dinev & Hart, 2004;Dinev & Hart, 2006a;Moscardelli & Divine, 2007; Lian & Lin, 2007), online (Bellman et al, 2004;Van Slyke et al, 2006;Buchanan et al, 2007;Krasnova & Veltri, 2010), personal interview (Malhotra et al, 2004) and unspecified (Dinev & Hart, 2006b;Casteñeda et al, 2007;Xu et al, 2008;. Privacy concern was measured by five-point Likert scales in six instances (Dinev &Hart, 2004; Dinev & Hart, 2006 a and b;Eastlick et al, 2006;Buchanan et al, 2007; Casteneda et al, 2007).…”