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Naderer, Brigitte ORCID logoORCID: https://orcid.org/0000-0002-7256-7941; Rieger, Diana ORCID logoORCID: https://orcid.org/0000-0002-2417-0480; Schulze, Heidi ORCID logoORCID: https://orcid.org/0000-0003-0079-9169 and Rothut, Sophia ORCID logoORCID: https://orcid.org/0000-0003-0990-8034 (2023): Increasing knowledge about cognitive biases: An evaluation study of a radicalization prevention campaign targeted at European adolescents and young adults. In: Journal of Children and Media, Vol. 17, No. 4: pp. 426-442

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Confrontation with radical online content has been empirically linked to the facilitation of radicalization processes. Therefore, building a presence of information about potential prevention of radicalization through an online campaign may be particularly relevant to limit the activities and appeals of radical actors. In this study, we thus examine the effectiveness of campaign material focused on cognitive biases (i.e., when people's cognitive processes of information are systematically distorted). We test the success of the campaign material with respect to three campaign objectives: Building (1) knowledge about biases, (2) confidence to recognize biases, and (3) awareness and relevance of the issue. We conducted an online-experiment with adolescents (N = 223) comparing a control group (no exposure to the campaign material) to (A) a group that watched the developed campaign videos and (B) a group that watched the videos and took a self-assessment quiz. This comparison aims at testing how different levels of interactivity affect the three campaign objectives. The results suggest that the campaign materials increased knowledge about cognitive biases, but did not affect adolescents' confidence in recognizing biases and the perceived relevance of learning about biases.

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