Journal Article                                     | 
                                    Assessing the Extent and Types of Hate Speech in Fringe Communities: A Case Study of Alt-Right Communities on 8chan, 4chan, and Reddit
                                         
                                         
                                        
                                        
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                                                        Recent right-wing extremist terrorists were active in online fringe communities connected to the alt-right movement. Although these are commonly considered as distinctly hateful, racist, and misogynistic, the prevalence of hate speech in these communities has not been comprehensively investigated yet, particularly regarding more implicit and covert forms of hate. This study exploratively investigates the extent, nature, and clusters of different forms of hate speech in political fringe communities on Reddit, 4chan, and 8chan. To do so, a manual quantitative content analysis of user comments (N=6,000) was combined with an automated topic modeling approach. The findings of the study not only show that hate is prevalent in all three communities (24% of comments contained explicit or implicit hate speech), but also provide insights into common types of hate speech expression, targets, and differences between the studied communities. 
                                                     
                                                    
                                                 
                                             
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                                    2021 | 
                                    Rieger, D., Kümpel, A. S., Wich, M., Kiening, T., and Groh, G. | 
                                    
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                                                                                 VOX-Pol Blog                                     | 
                                    Borderline Content Online
                                         
                                         
                                        
                                        
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                                    2024 | 
                                    Schulze, H., Naderer, B. and Rieger, D. | 
                                    
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                                                                                 Journal Article                                     | 
                                    Dealing With The Dark Side: The Effects Of Right-wing Extremist And Islamist Extremist Propaganda From A Social Identity Perspective
                                         
                                         
                                        
                                        
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                                                        Right-wing extremists and Islamist extremists try to recruit new followers by addressing their national (for instance, German) or religious (Muslim) social identity via online propaganda videos. Two studies examined whether capitalizing on a shared group-membership affects the emotional and cognitive response towards extremist propaganda. In both studies, Germans/non-migrants, Muslim migrants and control participants (N = 235) were confronted with right-wing extremist and Islamist extremist videos. Emotional and cognitive effects of students (Study 1) and apprentices (Study 2) were assessed. Results showed a general negative evaluation of extremist videos. More relevant, in-group propaganda led to more emotional costs in both studies. Yet, the responses varied depending on educational level: students reported more negative emotions and cognitions after in-group directed videos, while apprentices reported more positive emotions and cognitions after in-group directed propaganda. Results are discussed considering negative social identities. 
                                                     
                                                    
                                                 
                                             
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                                    2019 | 
                                    Rieger, D., Frischlich, L. and Bente, G. | 
                                    
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                                                                                 Journal Article                                     | 
                                    Discourse patterns used by extremist Salafists on Facebook: identifying potential triggers to cognitive biases in radicalized content
                                         
                                         
                                        
                                        
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                                                        Understanding how extremist Salafists communicate, and not only what, is key to gaining insights into the ways they construct their social order and use psychological forces to radicalize potential sympathizers on social media. With a view to contributing to the existing body of research which mainly focuses on terrorist organizations, we analyzed accounts that advocate violent jihad without supporting (at least publicly) any terrorist group and hence might be able to reach a large and not yet radicalized audience. We constructed a critical multimodal and multidisciplinary framework of discourse patterns that may work as potential triggers to a selection of key cognitive biases and we applied it to a corpus of Facebook posts published by seven extremist Salafists. Results reveal how these posts are either based on an intense crisis construct (through negative outgroup nomination, intensification and emotion) or on simplistic solutions composed of taken-for-granted statements. Devoid of any grey zone, these posts do not seek to convince the reader; polarization is framed as a presuppositional established reality. These observations reveal that extremist Salafist communication is constructed in a way that may trigger specific cognitive biases, which are discussed in the paper. 
                                                     
                                                    
                                                 
                                             
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                                    2021 | 
                                    Bouko, C., Naderer, B., Rieger, D., Van Ostaeyen, P. and Voué, P. | 
                                    
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                                                                                 Journal Article                                     | 
                                    Far-right conspiracy groups on fringe platforms: A longitudinal analysis of radicalization dynamics on Telegram
                                         
                                         
                                        
                                        
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                                                        Societal crises, such as the COVID-19 pandemic, produce societal instability and create a fertile ground for radicalization. Extremists exploit such crises by distributing disinformation to amplify uncertainty and distrust among the public. Based on these developments, this study presents a longitudinal analysis of far-right communication on fringe platforms, demonstrating radicalization dynamics. Public Telegram communication of three movements active in Germany (QAnon, Identitarian Movement, Querdenken) was analyzed through a quantitative content analysis of 4500 messages posted to nine channels between March 2020 and February 2021. We study the movements’ discourse using several indicators of radicalization dynamics. The increasing prevalence of conspiracy narratives, anti-elitism, political activism, and support for violence indicate radicalization dynamics in these movements’ online communication. However, these dynamics varied within the movements. It can be concluded that, when studying radicalization dynamics online, it is crucial to not just focus on one single indicator, but consider longitudinal changes across several indicators, ideally comparing different movements. 
                                                     
                                                    
                                                 
                                             
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                                    2022 | 
                                    Schulze, H., Hohner, J., Greipl, S., Girgnhuber, M., Desta, I. and Rieger, D. | 
                                    
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                                                                                 Journal Article                                     | 
                                    From solidarity to blame game: A computational approach to comparing far-right and general public Twitter discourse in the aftermath of the Hanau terror attack
                                         
                                         
                                        
                                        
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                                                        Terror attacks are followed by public shock and disorientation. Previous research has found that people use social media to collectively negotiate responses, interpretations, and sense-making in the aftermath of terror attacks. However, the role of ideologically motivated discussions and their relevance to the overall discourse have not been studied. This paper ad-dresses this gap and focuses specifically on the far-right discourse, comparing it to the general public Twitter discourse following the terror attack in Hanau in 2020. A multi-method ap-proach combines network analysis and structural topic modelling to analyse 237,000 tweets. We find responsibility attribution to be one of the central themes: The general discourse pri-marily voiced sympathy with the victims and attributed responsibility for the attack to far-right terror or activism. In contrast, the far right – in an attempt to reshape the general narra-tive – raised a plethora of arguments to shift the attribution of responsibility from far-right activism towards the (political) elite and the personal circumstances of the shooter. In terms of information sharing and seeking, we demonstrate that new information was contextualised differentially depending on the ideological stance. The results are situated in the scientific dis-course concerning differences in social media communication ensuing terrorist attacks. 
                                                     
                                                    
                                                 
                                             
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                                    2022 | 
                                    Hohner, J., Schulze, H., Greipl, S. and Rieger, D. | 
                                    
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