Samuel Jong has won the Institute of Political Science MSc Thesis Prize 2016. With ‘Bridging the Gap: Do Ideological Differences Determine Whether Center-Right Parties Cooperate with the Radical Right?’, Jong completed his Political Science master studies. His research findings, according to the jury,…

Political Scientist Gisela Hirschmann (Leiden University) asks how international organisations can be compelled to comply with respect human rights. She finds that this is done through ‘pluralist accountability’: external third parties such as courts, NGOs, or regional organisations holding international…

Citizens in multiple crime-ridden countries strongly support the militarization of security—that is, placing the military in charge of traditional policing duties. Yet, we know little about the determinants of such support. Do people approve of militarization even in the face of human fatalities? Political…

Article in the journal Irish Political Studies discussing the challenge of aggregating opinion polls and presenting a method to better model major sudden political and societal events. This can can enhance opinion poll reporting in the media.

In theory, states can gain security by acquiring internal arms or external allies. Yet the empirical literature offers mixed findings: some studies find arms and allies to be substitutes, while others find them to be complements. Political scientists Matthew Digiuseppe (Leiden University) and Paul Poast…

In this article, Bart Schuurman and Sarah Louise Carthy conduct further research into the understanding of the causes of terrorism by assessing differences and similarities between left-, right- and jihadist extremists and terrorists. The article draws on the Analysen zum Terrorismus, one of the most…

This book presents an understanding of the concept of Countering Violent Extremism from a critical terrorism studies perspective using case studies from different countries while examining the issues it raises.

In the Master's programme Crisis and Security Management, specialisation Terrorism and Political Violence, we focus on the academic body of knowledge on different form of protests, contention, resistance and violence. We explore and explain the emergence of radical and extremist movement.

Discover history and present. With it's eventful history and politics, Russia is a country with a large influence on Europe and the world. In the Dutch-taught Bachelor's programme Russian Studies you will learn everything about the culture, language and politics of the largest country in the world and…

Acquiring and maintaining public support is frequently cited as an important requirement for governments fighting non-state actors. But how exactly can public support influence the course of counterterrorism campaigns and thereby contribute to an escalation or de-escalation of violence?

Everything you need to know about the minor Disinformation and Strategic Communication in Global Media.

The aim of this project is to study the influence of Longinus’s treatise ‘On the sublime’ on practice and theory of architecture and theatre in seventeenth-century Paris and Amsterdam.

Lecture, Lunch Research Seminar

Mayke Kaag has been appointed Professor of the Anthropology of Politics and Governance in Africa at the Institute of Cultural Anthropology and Development Sociology (CADS) on behalf of the African Studies Centre Leiden (ASCL).

Political games have existed throughout history, but what is the role of 'play' in the way the American political world has developed? University lecturer Sara Polak has received an ERC Starting Grant to investigate this.

Does a universal psychoeducational course about stress in adolescents: I) lead to an increase in knowledge of stress?, II) affect the frequency with which stressors are experienced and the overall stress level?, III) create interest in a tier 2 level follow-up training?, and IV) appeal to students in…

Bacteria often experience external challenges, such as changes in environmental conditions or attacks by bacteriophages.

Would you like to learn more about a particular subject under the guidance of enthusiastic academics? Or would you like to take a look at a study you are considering and experience what it is like to attend the university?

This project examines how speakers store and process regular pitch variation.

This book examines the critical role of information and knowledge in early modern Europe's global pursuits, exploring challenges in trusting distant information, the development of doubt in intercultural encounters, and the impact of misinformation.

Through a lens that examines the intersection of ageing, gender, class, and migration, this project addresses the “care deficit” in European countries and the employment of migrant women from Latin America to fill this deficit.

In recent decades, climate change has led to more frequent and severe drought events, causing serious consequences such as increased forest mortality and significant crop yield losses. Understanding how drought affects plants, especially economically important herbaceous species, is crucial for predicting…

In the fall of 2021, Cleveringa professor Roméo Dallaire and world experts shared their thoughts about PTSD, children’s rights, war crimes, humanitarian law, and peacekeeping in a series of conversations about leadership and moral dilemma during times of conflict and crisis.

Kohei Suzuki, Assistant Professor at Institute of Public Administration, and two other authors researched the topic of innovation by governments in response to expected population decline.

Recently, Europe was again shaken by some attacks. This ‘Elementair Deeltje’ places terrorism in a historical perspective and gives an up-to-date overview of this form of political violence.

This editorial to RHCPP discusses how COVID-19 can be seen as a 'creeping crisis' according to the authors of its lead article (Boin et al, 2020) and how resilience may depend on the real heroes behind the scenes of response to disaster and adversity.

In this book Adam Fairclough chronicles the odyssey of black teachers in the South from emancipation in 1865 to integration one hundred years later.

Through a lens that examines the intersection of ageing, gender, class, and migration, this project addresses the 'care deficit' in European countries and the employment of migrant women from Latin America to fill this deficit.

The Greek and Roman History Team concentrates on the study of the economies, societies and cultures of the large empires of the Graeco-Roman world, starting with the empires of Alexander the Great and his successors.

When and how does social anxiety develop? How can it go astray in some adolescents? How can we help troubled young people to attend school regularly and return to a normal developmental pathway?

On 6 April the Netherlands will vote on far-reaching cooperation with Ukraine. Referenda are exceptional in Dutch political history, according to Professor of Electoral Research Joop van Holsteijn.

Katharina Natter of the Institute of Political Science has been awarded the 2025 IMR Book Review Award for her book on migration politics in Morocco and Tunisia.

Auke-Florian Hiemstra is the Leidsch Dagblad Person of the Year 2022.

The elections finally seemed to be about substance again. Housing, migration, healthcare and security were widely discussed. Yet once more, political style took centre stage - because both Rob Jetten and Henri Bontenbal won through a deliberate use of style.

The rise of authoritarianism, the strengthening of the radical right, and the role of the EU in defending democracy—these are just a few of the issues causing concern today. Is the EU capable of defending democratic values within the Union and beyond its borders? In an interview from the Lithuanian…

In January 2014, the research project The Promise of Organization hosted a fruitful three-day conference:

In this article Vanessa Newby discusses how the ANZUS states of United States, Australia, and New Zealand that sit on the fringes of the Asia-Pacific, are increasingly using their armed forces to deliver Humanitarian Aid and Disaster Response (HADR) as a way of engaging with the region.

Where to study ’politics’? According to the QS World University Rankings, Leiden University is a good choice. In the 2021 edition, Leiden and The Hague retain their position in the top 25 of the most esteemed institutes worldwide. Within the Netherlands, we again claim the first position.

In an attempt to give European citizens a say over who should lead the European Commission, the European Parliament has opted for so-called 'Spitzenkandidaten'. Prior to the elections for the European Parliament, the EP’s political parties appoint lead candidates for the role of Commission President,…

This research cluster is a part of the Institute of Political Science’s research programme ‘Institutions, Decisions and Collective Behaviour’. Its members examine the sources, design, effects and contestation of norms, rules, institutionalised practices and formal organisations that operate across national…