Professor Frits Kalshoven passed away on 6 September 2017 at the age of 93. Kalshoven was internationally renowned as an expert in the field of international humanitarian law (IHL). From 1970 onwards he was a professor at our law school, where he had also been a student himself and where he was awarded…

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'.

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.

Op dinsdag 14 juni 2022 wordt aan de Universiteit Leiden een symposium georganiseerd ter gelegenheid van het naderende emeritaat van Frits van Oostrom (Universiteit Utrecht). Wie deel wil nemen aan het symposium kan zich tot uiterlijk vrijdag 15 april 2022 opgeven via w.van.anrooij@hum.leidenuniv.nl.…

Can socioeconomic differences in health behaviour be explained by competing goals and demands in everyday life?

At Leiden University’s Faculty of Social and Behavioural Sciences we keep in touch with our alumni in various ways.

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

The Faculty of Social and Behavioural Sciences (FSW) aims to play a leading role in gaining insights on current developments in society.

In 2021, the National Cyber Security Centre (NCSC) asked Leiden University to conduct a rapid review of best practices and possibilities for follow-up research on the integration of behavioral sciences in security by design methodologies and projects. This academic field is called security by behavioral…

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.

Research in Leiden University’s Institute of Political Science focuses on the dynamics and the interaction of political institutions, individual decision-making, and collective behaviour.

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.

After his PhD defense on 25 September Frits Veerman will go to the University of Oxford to do research at the Centre for Mathematical Biology.

Frits van der Meer and Gerrit Dijkstra of the Institute of Public Administration reflect on the increasing power of political assistants in the magazine “De Hofvijver”.

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.

How do leadership behaviour repertoires take shape in public organizations?

This article presents a new dyadic approach to studying voting behaviour in the Council of the European Union.

By training with virtual opponents known as computer generated forces (CGFs), trainee fighter pilots can build the experience necessary for air combat operations, at a fraction of the cost of training with real aircraft.

Are you curious about why people are the way they are – and how they change? At Leiden University, you’ll explore social behaviour, ideas and cultures, from the past to the present and from local to global. From major cities to world religions, from philosophical questions to education and upbringing…

Are you curious about why people are the way they are – and how they change? At Leiden University, you’ll explore social behaviour, ideas and cultures, from the past to the present and from local to global. From major cities to world religions, from philosophical questions to education and upbringing…

Are you curious about why people are the way they are - and how they change? At Leiden University, you’ll explore social behaviour, ideas and cultures, from the past to the present and from local to global. From major cities to world religions, from philosophical questions to education and upbringing…

A warm welcome to the Graduate School of Social and Behavioural Sciences at Leiden University.

Are you curious about why people are the way they are - and how they change? At Leiden University, you’ll explore social behaviour, ideas and cultures, from the past to the present and from local to global. From major cities to world religions, from philosophical questions to education and upbringing…

Every year, the Netherlands and Belgium Red Cross organize the Frits Kalshoven IHL Competition, which brings together students from both Dutch and Belgian universities.

Our current lifestyle is not sustainable, and we know it. Our carbon-based economy causes climate change, and our livestock threatens the rainforests. We also know what we ought to do to save the planet: decarbonize the economy and change our diet. However, too many people lack the moral motivation…

To say that IT projects in the public sector do not always run very smoothly is an understatement. There are more than enough examples, from the IT project for student loans in the '80s, to problems with IT at the tax authorities, the judicial offices and the police in more recent times.

In celebration of the release of his new book on changes in public administration, Prof. dr. Frits van der Meer, professor by special appointment of the CAOP chair: Comparative Public Sector and Civil Service Reform, handed the first copy to Gert-Jan Buitendijk, Secretary General of Ministry of General…

Researchers at Leiden study group behaviour. One of their findings is that when people make sacrifices for another member of their group, it is probably instinctive. Insights of this kind enable us to better understand and influence the social processes in a neighbourhood or company.

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

It seems that the Dutch Tax Offices’ Benefit Fraud Scandal has still not come to an end. New skeletons keep falling out of closets which has resulted in a parliamentary inquiry. But is such an inquiry the proper instrument to make sure that no stone is left unturned?

The research group Organizational & Entrepreneurial Behavior investigates the behavior of individuals and groups who start, work in, or lead organizations, in order to inform organizational practice. By focusing on the behavior of (groups of) employees, entrepreneurs and leaders, the main levels of…

Anthropogenic noise negatively affects wildlife in a wide range of taxonomic groups.

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.

A Study of Middle Palaeolithic Riverside Settlements at Maastricht-Belvédère (The Netherlands).

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

Every year, the Netherlands Red Cross and Belgian Red Cross-Flanders organise the Frits Kalshoven IHL Competition. This competition aims to provide students with an opportunity to practically engage with IHL, the rules that govern the conduct of war, by attending expert lectures and workshops, engaging…

On January 17th, Frits Scholten (Rijksmuseum Amsterdam) will give a lecture titled: "Private Devotion & Immersive Play - The Use of 'Spiritual Toys' in the Late Middle Ages." The lecture is part of a Lorentz Center workshop on 'Religious Imagination in the Late Medieval Low Countries' and can also be…

The development process of any software has become extremely important not just in the IT industry, but in almost every business or domain of research.

Every year, the Netherlands Red Cross and Belgian Red Cross-Flanders organise the Frits Kalshoven International Humanitarian Law Moot Court Competition. Eight teams from Belgium and the Netherlands participated in the 17th edition of the competition, from 5-7 March 2025 in The Hague. The team from Leiden…

Understanding how data derived from wearable technology can be used to identify effective changes in behaviour that are likely to result in health improvements

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