Overcoming the methodological limitations of many previous studies, the present study employs a two-phased approach to data collection, and a weighted approach to data analysis, thereby obtaining survey data from 1954 Internet gamblers and 5967 nonInternet gamblers. Using this data, the authors examine: (1) the comparative demographic and health characteristics of Internet versus land-based gamblers; (2) the characteristics predictive of Internet gambling; (3) the game-play patterns of Internet gamblers; (4) the comparative gambling expenditures of Internet versus land-based gamblers; and (5) the comparative rate of problem gambling among Internet versus land-based gamblers. The article concludes with a discussion of the methodological implications the present study holds for future research. Moreover, in light of the key finding that Internet gamblers are three to four times more likely to have a gambling problem, the article concludes with a discussion of relevant theoretical and policy implications.

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The proportion of North American gamblers who choose to gamble on the internet is increasing at a dramatic rate. Unfortunately, however, relatively little is known about the characteristics of these individuals or their propensity for problem gambling. Past studies predict that internet gamblers are especially at risk for developing gambling problems and that a substantial proportion of them already can be properly classified as problem gamblers. This article investigates this issue using data collected from an internet-based survey administered to 1920 American, Canadian and international internet gamblers. Confirming predictions of a relationship between internet gambling and problem gambling, it finds that 42.7 percent of the internet gamblers in the sample can be classified as problem gamblers. In light of the findings, and bearing in mind the recommendations made by other gambling researchers, it concludes with a discussion of issues and cautions for governments to heed when crafting internet gambling policies.

This paper provides an in-depth exploration of the psychosocial factors and processes related to maintaining and losing control during internet gambling. It explores features of internet gambling leading to loss of control, control strategies used by internet gamblers, and the perceived utility of online responsible gambling measures. Interviews with 25 moderate risk and problem internet gamblers yielded rich first-person accounts analysed using interpretative phenomenological analysis. The most frequently identified aspects of internet gambling leading to impaired control were use of digital money, access to credit, lack of scrutiny and ready accessibility. Participants used a range of self-limiting strategies with variable success. Most considered that more comprehensive responsible

School-based prevention programs are an important component of problem gambling prevention, but empirically effective programs are lacking. Stacked Deck is a set of 5-6 interactive lessons that teach about the history of gambling; the true odds and "house edge"; gambling fallacies; signs, risk factors, and causes of problem gambling; and skills for good decision making and problem solving. An overriding theme of the program is to approach life as a "smart gambler" by determining the odds and weighing the pros versus cons of your actions. A total of 949 grade 9-12 students in 10 schools throughout southern Alberta received the program and completed baseline and follow-up measures. These students were compared to 291 students in 4 control schools. Four months after receiving the program, students in the intervention group had significantly more negative attitudes toward gambling, improved knowledge about gambling and problem gambling, improved resistance to gambling fallacies, improved decision making and problem solving, decreased gambling frequency, and decreased rates of problem gambling. There was no change in involvement in high risk activities or money lost gambling. These results indicate that Stacked Deck is a promising curriculum for the prevention of problem gambling.