OBJECTIVE Despite the widespread use of harm prevention messages on gambling advertising, it is unclear whether such messages achieve their goal of encouraging safer gambling behavior and preventing gambling harms. The current research therefore investigates whether and how existing harm prevention messages implemented on gambling advertisements in Belgium and the Netherlands affect consumers' gambling-related beliefs and intentions. METHOD Two experimental studies (Nexperiment 1 = 169; Nexperiment 2 = 212) investigate (a) the influence of message prominence and (b) the impact of message framing by comparing the effectiveness of the message "Gamble in moderation" with different types of Flemish and Dutch harm prevention messages (that are currently used in Belgium and the Netherlands) on people's gambling-related beliefs and intentions. RESULTS The results of the first experiment show that although the size of a harm prevention message may increase message recognition, it does not affect the message's efficacy. In addition, the second experiment shows that the harm prevention message "Gamble in moderation" increases normative perceptions of gambling (vs. no message), and even enhances gambling intentions among at-risk gamblers compared to no message and other commonly used harm prevention messages. In contrast, exposure to the harm prevention message "What does gambling cost you? Stop in time" makes at-risk gamblers think most about the harms of gambling. CONCLUSIONS Current harm prevention messages on gambling advertising often promote the concept of responsible gambling, but can have opposite effects than intended, especially among at-risk gamblers. (PsycInfo Database Record (c) 2023 APA, all rights reserved).

中文翻译：

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一项实验研究，旨在检验佛兰德斯和荷兰赌博广告中的伤害预防信息是否以及如何影响消费者与赌博相关的信念和意图。

目标 尽管赌博广告中广泛使用伤害预防信息，但尚不清楚此类信息是否实现了鼓励更安全的赌博行为和预防赌博伤害的目标。因此，当前的研究调查了比利时和荷兰赌博广告上实施的现有伤害预防信息是否以及如何影响消费者与赌博相关的信念和意图。方法 两项实验研究（N 实验 1 = 169；N 实验 2 = 212）通过比较“适度赌博”信息与不同类型佛兰芒语的有效性，调查 (a) 信息显着性的影响和 (b) 信息框架的影响荷兰伤害预防信息（目前在比利时和荷兰使用）关于人们与赌博相关的信念和意图。结果第一个实验的结果表明，虽然危害预防消息的大小可能会增加消息的识别度，但它不会影响消息的功效。此外，第二个实验表明，与无信息和其他常用的伤害预防信息相比，“适度赌博”的伤害预防信息增加了对赌博的规范认知（与无信息相比），甚至增强了高风险赌徒的赌博意图。相比之下，接触到危害预防信息“赌博让你付出什么代价？及时停止”会让高风险赌徒更多地思考赌博的危害。结论 目前赌博广告上的伤害预防信息经常宣扬负责任赌博的概念，但可能会产生与预期相反的效果，特别是对于高风险赌徒而言。（PsycInfo 数据库记录 (c) 2023 APA，保留所有权利）。