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We investigate differences in the psychological aspects underpinning Western mobilisation of two terrorist groups by analysing their English-language propaganda. Based on a computerised analysis of the language used in two English-language online magazines circulated by Islamic State of Iraq and Syria (ISIS) and al-Qaeda (i.e., Dabiq and Inspire), we found significant differences in their language—the ISIS’ language being higher in authoritarianism and its level of religiousness. In a follow-up experimental study, we found that being high in religiousness and authoritarianism predicts more positive attitudes towards the language used by ISIS, but not towards the language used by al-Qaeda. The results suggest that ISIS’ propaganda may be more effective in mobilising individuals who are more authoritarian and more focused on religion than that of al-Qaeda. These findings are consistent with the behaviour observed in recent homegrown terrorist attacks in the United States and Europe.

VOX-Pol Blog Post.

The online domain potentially provides research with a vast body of data. The big quest within contemporary research is to make sense of all this data. A possibility to handle such data is by combining methods from the fields of new media and linguistics. Several studies have sought to understand how radicalism online comes to exist and grows. To date, however, none of these studies have fruitfully analysed language patterns within online communities that move beyond keyword analysis. In this thesis, I demonstrate a proof of concept for a classifier analysing and predicting salient language features within online radical discourse from the social media platform Reddit. Data consist of two datasets, radical and non-radical in nature, both containing 1 millions lines of text per dataset. The radical dataset is known for its radical nature, promoting radicalism in a variety of beliefs such as anti-feminism or white supremacy. Using software libraries as NLTK and SciKit within Python, I submitted that data to keyword and collocation frequency count, lexical diversity, a part-of-speech tagger and ultimately as features for a document classifier. Results showed that the radical discourse used in this thesis contains salient language features and show a clear sense of a virtual community. Finally, I discuss the implications of this thesis and provide directions for further research. Data was provided by TNO The Hague as part of the VOX-Pol project.

The influence of social media on the spread of violent extremist narratives and online radicalisation processes has recently become a focal point for research in the fields of Preventing and Countering Violent Extremism; however, most of the studies thus far have focused on Western countries and have often been aimed at analysing phenomena such as homegrown and lone wolf terrorism or the online radicalisation of foreign terrorist fighters. Far less evidence-based research has explored the influence of social media on terrorism in Africa and even less regarding Mali in particular. In this report, ICCT and the United Nations Interregional Crime and Justice Research Institute (UNICRI) seek to fill this gap through an analysis of survey data from youth participants in their joint on-the-ground project in Mali—“Mali (Dis-) Engagement and Re-Integration related to Terrorism” (MERIT)—to determine the implications of social media use for violent extremism in Mali.

The aim of this thesis is to enhance our understanding of the nature and dynamics of Islamophobic hate speech amongst followers of UK political parties on Twitter. I study four parties from across the political spectrum: the BNP, UKIP, the Conservatives and Labour. I make three main contributions. First, I define Islamophobia in terms of negativity and generality, thus making a robust, theoretically-informed contribution to the study of a deeply contested concept. This argument informs the second contribution,
which is methodological: I create a multi-class supervised machine learning classifier for Islamophobic hate speech. This distinguishes between weak and strong varieties and can be applied robustly and at scale. My third contribution is theoretical. Drawing together my substantive findings, I argue that Islamophobic tweeting amongst followers of UK parties can be characterised as a wind system which contains Islamophobic hurricanes. This analogy captures the complex, heterogeneous dynamics underpinning Islamophobia on Twitter, and highlights its devastating effects. I also show that Islamist terrorist attacks drive Islamophobia, and that this affects followers of all four parties studied here. I use this finding to extend the theory of cumulative extremism beyond extremist groups to include individuals with mainstream affiliations. These contributions feed into ongoing academic, policymaking and activist discussions about Islamophobic hate speech in both social media and UK politics.