{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T22:51:07Z","timestamp":1789685467896,"version":"4.0.1"},"reference-count":71,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2025,1,14]],"date-time":"2025-01-14T00:00:00Z","timestamp":1736812800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Addiction"],"published-print":{"date-parts":[[2025,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background and aims<\/jats:title><jats:p>Gambling advertising is nowadays prevalent in multiple jurisdictions and can take multiple forms, such as TV adverts and social media promotions. However, few independently designed interventions for gambling advertising have been empirically tested. We aimed to measure the effectiveness of an inoculative intervention video for gambling advertising, which was developed based on previous interventions for alcohol and tobacco, and which used input from academics and experts by experience.<\/jats:p><\/jats:sec><jats:sec><jats:title>Design<\/jats:title><jats:p>Between\u2010participants randomised online experiment.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting<\/jats:title><jats:p>UK.<\/jats:p><\/jats:sec><jats:sec><jats:title>Participants<\/jats:title><jats:p>UK\u2010based gamblers aged 18\u201329\u2009years (<jats:italic>n<\/jats:italic>\u2009=\u20091200) were recruited via Prolific.<\/jats:p><\/jats:sec><jats:sec><jats:title>Intervention<\/jats:title><jats:p>Participants either saw a novel inoculative intervention video (7.2 mins) aimed at increasing resistance against gambling advertising strategies (<jats:italic>n<\/jats:italic>\u2009=\u2009595) or a neutral control video (7.2 mins) on healthy eating (<jats:italic>n<\/jats:italic>\u2009=\u2009605).<\/jats:p><\/jats:sec><jats:sec><jats:title>Measurements<\/jats:title><jats:p>Participants completed pre\u2010 and post\u2010test measures of gambling advertising scepticism and persuasion knowledge immediately before and after video exposure. They also answered the Problem Gambling Severity Index (PGSI) and reported their past\u2010month engagement with gambling promotional offers. A random subset of participants (<jats:italic>n<\/jats:italic>\u2009=\u2009797) recompleted these measures at one\u2010month follow\u2010up.<\/jats:p><\/jats:sec><jats:sec><jats:title>Findings<\/jats:title><jats:p>The intervention group's post\u2010test scores were statistically significantly higher than control for scepticism [estimated marginal means (EMM)\u2009=\u200940.32 vs. EMM\u2009=\u200934.72; <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001, 95% confidence interval (CI) = 4.90\u20136.29, \u03b7p2\u2009=\u20090.17] and persuasion knowledge (EMM\u2009=\u200920.77 vs. EMM\u2009=\u200916.71; <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001, 95%CI = 3.61\u20134.50, \u03b7p2\u2009=\u20090.21). One\u2010month follow\u2010up scores also remained statistically significantly higher in the intervention group compared with control for both scepticism (EMM\u2009=\u200938.26 vs. EMM\u2009=\u200934.73; <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001, 95%CI = 2.70\u20134.36, \u03b7p2\u2009=\u20090.08) and persuasion knowledge (EMM\u2009=\u200918.63 vs. EMM\u2009=\u200917.21; <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001, 95%CI = 0.88\u20131.95, \u03b7p2\u2009=\u20090.03). Within the intervention group, 21% of participants had stopped engaging with gambling promotional offers at one\u2010month follow\u2010up, reflective of a statistically significant reduction compared with control (EMM\u2009=\u20090.48 vs. EMM\u2009=\u20090.87; <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001, 95%CI = \u22120.53 to \u22120.26, \u03b7p2\u2009=\u20090.04). Overall, the control group showed no statistically significant changes in any of their scores throughout the study period.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>An inoculative intervention video appears to increase young gamblers' resistance to gambling advertising and reduce their self\u2010reported engagement with promotional offers.<\/jats:p><\/jats:sec>","DOI":"10.1111\/add.16732","type":"journal-article","created":{"date-parts":[[2025,1,15]],"date-time":"2025-01-15T00:01:32Z","timestamp":1736899292000},"page":"1028-1039","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["The effect of a brief intervention video on gambling advertising resistance: Results of a randomized, on\u2010line experimental study"],"prefix":"10.1111","volume":"120","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5001-4126","authenticated-orcid":false,"given":"Jamie","family":"Torrance","sequence":"first","affiliation":[{"name":"School of Psychology Swansea University  Swansea UK"},{"name":"School of Psychology University of Chester  Chester UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alex M. 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