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Authors
Jonsson, Jakob
Lakew, Nathan
Lindner, Philip
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Funding
Funding for this research was provided by:
Independent Research Council of Svenska Spel (FO2021-0017, FO2021-0017)
Karolinska Institute
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Article History
Received: 17 December 2024
Accepted: 10 February 2025
First Online: 20 February 2025
Declarations
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: The study was approved by the Regional Ethical Review Board in Stockholm, Sweden, number 2022–00822-01. The approval included the fact that the participants were not aware that they have been randomly assigned to one of three conditions, nor giving any consent to participate since Svenska Spel performs A/B testing as part of their ordinary operations.
: As stated above, the participants give not consent to participate in the study. The manuscript does not contain any individual person’s data in any form.
: JJ is an employee at Sustainable Interaction, a private company working with responsible gambling and online training with the gambling industry, reports past and ongoing industry-academia collaborations with several gambling providers, yet has no personal financial ties to the industry. PL is employed by the public-operated addiction clinic in Stockholm. NL and PL reports past and ongoing industry-academia collaborations with several gambling providers, including project-specific financing, but have no personal financial ties to the industry, having received no honoraria. NL is a former employee of a fintech company which had gambling operators among its clients.
