“…Research has pointed to a putative relationship between Internet gambling and problems on the basis of higher rates of gambling problems found in samples of Internet as compared to non-Internet gamblers (Gainsbury et al, in press a, b, c;Griffiths, Wardle, Orford, Sproston, & Erens, 2009;Wood & Williams, 2011). However, when rates of overall gambling involvement are controlled for, participating in Internet gambling is not a significant risk factor for gambling problems (Gainsbury et al, in press a;Holtgraves, 2009;LaPlante, Nelson, LaBrie, & Shaffer, 2009;Philander & MacKay, in press;Wardle et al, 2011a;Wood & Williams, 2011). A study of 15,006 gamblers found that problem gambling rates were three times higher among Internet than non-Internet gamblers (Gainsbury et al, in press a).…”