Assessing the role of conspiracy beliefs in oncological treatment decisions: An experimental approach.

IF 3.8 2区心理学 Q1 PSYCHOLOGY, APPLIED Applied psychology. Health and well-being Pub Date : 2024-11-21 DOI:10.1111/aphw.12615

Florent Varet, Valentyn Fournier, Sylvain Delouvée

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Abstract

Cancer is an important issue and a model topic for misinformatfion researchers. The present research experimentally investigates the effect of cancer-related conspiracy beliefs and misinformation on oncology treatment intentions in a cancer-free population. In three pre-registered studies (N total = 1020), participants were asked to put themselves in the shoes of a patient recommended for chemotherapy. Study 1 (N = 300) failed to experimentally manipulate cancer-related conspiracy beliefs with exposure to a health scandal not related to cancer. In Study 2 (N = 258), exposure to a pro-conspiracy (vs. anti-conspiracy) content related to cancer treatment was associated with more conspiracy beliefs, less intention to use chemotherapy and more intentions to use unconventional medicines. Exploratory analyses revealed that these effects were conditioned by the credibility of the misinformation. Study 3 (N = 462) replicated these findings using a full experimental design. Exposure (vs. no exposure) to a warning and accuracy prompt, prior to exposure to the pro-conspiracy content, was found to be effective in reducing its credibility and preventing its detrimental effects. These findings corroborate the existence of an effect of conspiracy beliefs on treatment intentions in oncology and also suggest several ways to mitigate them.

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评估共谋信念在肿瘤治疗决策中的作用：实验方法。

癌症是一个重要问题，也是误导研究人员的一个示范课题。本研究通过实验调查了癌症相关的阴谋信念和错误信息对无癌症人群的肿瘤治疗意向的影响。在三项预先登记的研究中（总人数 = 1020），参与者被要求设身处地地为被推荐接受化疗的患者着想。研究 1（样本数 = 300）未能通过接触与癌症无关的健康丑闻来实验性地操纵与癌症有关的阴谋信念。在研究 2（N = 258）中，接触与癌症治疗相关的支持阴谋论（与反对阴谋论）的内容与更多的阴谋论信念、更少的化疗意愿和更多的使用非传统药物的意愿相关。探索性分析表明，这些影响受错误信息可信度的制约。研究 3（N = 462）使用完整的实验设计重复了这些发现。研究发现，在接触支持阴谋论的内容之前，接触（与不接触相比）警告和准确性提示能有效降低其可信度并防止其有害影响。这些发现证实了阴谋论信念对肿瘤治疗意向的影响，并提出了几种减轻其影响的方法。

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来源期刊

Applied psychology. Health and well-being PSYCHOLOGY, APPLIED-

CiteScore

12.10

自引率

2.90%

发文量

期刊介绍： Applied Psychology: Health and Well-Being is a triannual peer-reviewed academic journal published by Wiley-Blackwell on behalf of the International Association of Applied Psychology. It was established in 2009 and covers applied psychology topics such as clinical psychology, counseling, cross-cultural psychology, and environmental psychology.