Honorata Mazepus, Assisstant Professor at Leiden University, researched the topic of Madisonian Judgments in Five Cultures, together with three other authors.

How to explain variation in the extent to which parliamentary voting behaviour follows the government–opposition divide? Party Politics article by Tom Louwerse et al.

Cynthia van Vonno, political scientist at Leiden University, explains why individual MPs vote according to the party group line.

Political scientists Joop van Holsteyn and Tom Louwerse (Leiden University) find that the Dutch government is having a hard time coping with referendum outcomes in general, and ‘anti-European’ sentiments among voters in particular.

Political scientist Cynthia van Vonno’s (Leiden University) 2016 dissertation has been shortlisted for the European Consortium for Political Research (ECPR) Jean Blondel PhD Prize. Her study of party group unity in parliamentary voting was chosen from an exceptionally high number of nominations.

Monday 26 September, 2016 saw the first confrontation between Hillary Clinton and Donald Trump. Expectations were high – not only about the content of the debate, but also about how the two presidential candidates would behave, and how this might influence their campaigns. We asked three researchers…

PhD Defence

Political scientists Marijn Nagtzaam (Leiden University) and Patrick van Erkel (University of Antwerp) investigate how electoral rules affect intra party preference voting. Focusing on the effect of two specific rules—the option to cast a list vote and on a single versus multiple preference vote—and…

Political scientists Tom Louwerse, Simon Otjes & Cynthia van Vonno introduce the Dutch Parliamentary Behaviour Dataset, a record of parliamentary (voting) behaviour in the Dutch Tweede Kamer (Second Chamber, House of Representatives) since 1945.

Some MPs are very active, while others are not. The number of proposals and questions that MPs in the Netherlands put forward is determined in part by the level of activity of their fellow committee members rather than by electoral incentive, which is the case in other countries.

Voting Advice Applications represent popular election campaign tools in many countries, enabling voters to discover which party or candidate provides the best match with their political preferences. Political scientists Martin Rosema (University of Twente) and Tom Louwerse (Leiden University) examine…

This research cluster is a part of the Institute of Political Science’s research programme ‘Institutions, Decisions and Collective Behaviour’. Its members study the design and functioning of Dutch political institutions as well as attitudes and behaviour of political elites and citizens.

To what extent can contingent, formative feedback in lectures, facilitated by web-based ICT, increase students’ self-efficacy and (academic, behavioral, and cognitive) engagement? And how are self-efficacy and engagement influencing students’ performance and course evaluations?

Sarah Giest, Assistant Professor at Leiden University, and Ishani Mukherjee researched the topic of 'Behavioural Insights Teams (BITs) and Policy Change: An Exploration of Impact, Location, and Temporality of Policy Advice'.

To what extent is sound a stressor to fish? And are behavioural and physiological phenotypes equally sensitive to disturbance by noise pollution?

Is criminal disenfranchisement compatible with a democratic political order? This article considers this question in light of a recently developed view that criminal disenfranchisement is justified because it expresses our commitment to democratic values.

Promotor: Carel J. ten Cate, Co-Promotor: Hans W. Slabbekoorn

The dynamics and the interaction of political institutions, individual decision-making, and collective behaviour.

Politicians in Barcelona are preparing for a new political battle. Nationalists fighting for Catalan independence have announced that they will organize a referendum this autumn, just as they did in 2014. Other parties claim that it will lead to new court cases because the referendum is unconstituti…

The New Scientist magazine has selected two young Leiden scientists for its Top 25 Young Talents in the Netherlands and Flanders: historian Karwan Fatah-Black and neuropsychologist Mariska Kret. Who will be the winner? You can vote for one of them!

The main aim of my Ph.D. thesis is to further explore the value of using early developing zebrafish larvae (up to 5 dpf) as a model to study anxiety-like behaviour and their pharmacological modulation with drugs.

We are very happy to welcome you to spend a semester or year studying with us at the Faculty of Social and Behavioural Sciences. This website will provide you per programme with information on your course schedules and much more.

There are five institutes at the Faculty of Social and Behavioural Sciences:

Our childhood years largely determine how we will fare later in life. In the first two decades of our life, our brain is still developing, which is clearly reflected in our behaviour. By studying how the young brain develops and how children behave, researchers can learn important information about…

The Faculty of Social and Behavioural Sciences brings together high-quality research and outstanding teaching in the disciplines of cultural anthropology, education and child studies, political science, psychology, science and technology studies, as well as in multidisciplinary approaches.

This book compares the policies of Australia and Italy towards boat people who have arrived in the two countries since the early 1990s.

Social science research helps us understand human behaviour and social structures. These are determined by various factors, which makes the research complex and increases the likelihood of drawing the wrong conclusions. The choice of research method and analysis is therefore extremely important. It…

Promotores: Prof.dr. M.K. Richardson, Prof.dr. H.P. Spaink

All research performed in the Leiden University Faculty of Social and Behavioural Sciences is ethically reviewed by 1 of 3 ethical review committees.

The more opportunities a child has to learn and develop, the stronger his or her future position in society. Leiden University investigates how the brain picks up information, and how learning processes can be influenced positively.

The midterm elections in the United States will be a vote of (no) confidence in president Trump and his divisive leadership style, says Brendan Carroll, assistant professor Public Administration. In this blog he explains why voter turnout can be a decisive factor.

Promotor: S.M. Verduyn Lunel

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This week, from the 9th until the 13th of May, the university elections will take place. As a member of the university staff, you may vote on the parties of staff representatives.

The Leiden Graduate School of Social and Behavioural Sciences offers advanced degrees spanning the social and behavioural sciences. The School's themes are anthropology, education and child studies, political science and psychology.

This paper describes the development process of voting behavior in Chile; particularly the relationship between the class voting theory and the theory of cultural post-materialist vote is investigated. This research deals with Chile as a case study, a developing country with a relatively stable democracy…

Which brilliant scientist will be our Discoverer of the year 2018? Will it be a physicist, biologist, drug discoverer or an astronomer? Or an environmental scientist, a mathematician, chemist or computer scientist? As of now, you can cast your vote.

Leiden University social scientists have shown that customised intervention pays off. A new fundamental research-based approach in children who are in danger of going off the rails has delivered spectacular results.

Psychological processes have a major effect on the course of a disease and the effects of medical treatment. Researchers in the field of Psychoneurobiology examine the interactions between body and mind. They investigate the effects of stress as well as the effect of placebos and nocebos, which can…

Which brilliant scientist will be our Discoverer of the Year 2019? Will it be a physicist, biologist, drug discoverer or an astronomer? Or an environmental scientist, a mathematician, chemist or computer scientist? As of now, you can cast your vote.

Scott Waitukaitus has been nominated by LION to be Discoverer of the Year 2017. Cast your vote now!

As of 14 May, people from all over the world can follow a little part of our university’s education through a new Massive Open Online Course (MOOC) on Health & Health Behaviour. This MOOC provides an introduction to the field of Health Psychology.

For a long time, in the United States ‘Schmoozes’ have been organized. These small-scale meetings offer the opportunity to informally discuss important themes. On 12 and 13 October, the first European Schmooze took place in Milan. The topic was ‘Economic Inequality as a Global Constitutional Challenge’.…

Who will be our Discoverer of the year 2017? Which one of these brilliant researchers deserves this prize for their efforts according to you? As of now, you can cast your vote.