Gambling disorder and problem gambling are considered a public health problem around the world, not only because of the high costs of the treatments that it entails, otherwise by the increase in the numbers of young people who easily fall into gambling behavior and who can hardly leave problems with games of chance on their own.~The review of the scientific literature has shown that CBT is the psychological therapy that has shown the greatest scientific evidence and rigor over the years in the treatment of gambling disorder and problem gambling. In addition, the application of Information and Communication Technologies (ICTs), together with the characteristics of accessibility, immediacy and cost reduction, which show, has made it possible to carry out effective Internet-delivered Interventions. If investigators take into account the high rates of drop outs and the low adherence to treatment that exists among patients with behavioral addictions, as well as the current barriers encountered by patients, such as stigma, the costs of the sessions and the distance geographical location.~A new alternative and innovative treatment are blended interventions, although their research is still limited, their efficiency and effectiveness have been proven for the treatment of emotional disorders and substance addictions, such as smoking cessation. In the same way, the benefits which offers CBT group therapy are improvement the self-esteem, encourages problem solving and communication skills and mutual support.~Therefore, the objective of the present project will be to evaluate whether a blended intervention (group sessions plus Internet-based modules) for problem gambling and gambling disorder could lead to improved gambling outcomes compared to a waiting list control condition.The minimum number of participants diagnosed with gambling disorder and problem gambling, which will be randomly assigned to each of the two conditions, will be 30 participants.
The main objective of present project is assess the preliminary efficacy of a blended psychological intervention, by comparing the improvements in the CBT and waiting list control groups of an evidence-based treatment protocol for problems related to gambling applied in a blended format (sessions through an online protocol treatment combining with face-to-face group sessions), as well as to evaluate the opinion and acceptance of the intervention.