Bachelor, Master, PhD, Staff

Enforcement of group cooperation fails because of discriminatory punishment, according to research by Welmer Molenmaker and colleagues. When group members have different backgrounds, punishment turns into a double-edged sword: no longer used just to prevent group exploitation, but also to break the…

How do individuals make decisions? What determines the quality of group decisions? When and why do people cooperate with others? How does intergroup competition evolve?

What are the behavioral, cognitive, and motivational consequences of decision reversibility?

Can the offering of host community compensation help to prevent or solve siting controversies, and if so, why and under which conditions?

How Perceived (In)Visible Dissimilarity Relates to Feelings of Inclusion at Work

Using an interdisciplinary experimental approach grounded in behavioral economics and personality psychology, we identify an antisocial personality profile and examine its role across strategic contexts.

What does it mean to be in a Dutch prison? What is true about the prejudices about being in jail? Criminologist Marieke Liem has released a podcast on Dutch national broadcaster NPO Radio 1: Hotel met tralies.

It increasingly seems that Elon Musk has taken it upon himself to decide what can and cannot be said on Twitter. He bought the platform with the message that there would be room to say whatever you desired, but he himself is casting doubts on that principle.

How old is the phenomenon of states attempting to control migrations on external borders? What were the motives and outcomes of these policies? In his dissertation, Jovan Pešalj examines how migration control on the southern Habsburg border emerged, how they functioned, and what impact they had on migrations.…

What motivates citizens to participate in a citizen science project on plastic pollution? And does that motivation change over time? Liselotte Rambonnet tried to answer these and other questions with her research on the Clean Rivers (‘Schone Rivieren’) project. Rambonnet is a PhD student at the Institute…

Just like the professional riders from the Jumbo-Visma team, amateur cyclists will soon be able to analyse and improve their performance. Leiden data scientists working with the cycling team are making their smart data model available so that every serious cyclist can keep track of their fitness.

Webinar with Q&A

Researchers from five different discplines work together in this interdisciplinary initiative.

Today, March 15 2016, the FAIR Guiding Principles for scientific data management and stewardship were formally published in the Nature Publishing Group journal Scientific Data.

In the ‘Leiden Declaration’, an international group of researchers warns that AI is putting fundamental values of the discipline under threat. The rise of AI is forcing mathematics to rethink what makes their field reliable and valuable. This is their proposed way forward.

Tessa van de Rozenberg and Daudi van Veen won the Synergy Award last month during a yearly conference of the Dutch Research Council (NWO). The PhD - candidates from Leiden University College The Hague won the prize for their idea to develop a diagnostic tool for publishers to examine gender and ethnic…

When a spot in the core group of the Strategy Team became available, she immediately applied for the position. Because as Head of HR, Elice Schöne feels it is important that her department is well connected to the strategic plan.

Markus Altena Davidsen and colleagues Michaël van der Meer, Maurits Berger and Kim Beerden received a subsidy from the KNAW-Pilotfund. They will use the 10.000 € for an inspiration book for teachers religion/worldview.

Martijn Kitzen has been appointed professor by special appointment of Military Science at ISGA on behalf of the Royal Netherlands Society for War Studies (KVBK).

The steady decline in lethal gun violence in the EU came to halt in 2012 and some countries, such as Sweden, have even noticed an increase since then. An arms race among drug criminals and an increase in the availability of illegal firearms could lead to more criminal and gun violence. This is one of…

Promotor: Prof.dr. J.W.M. Frenken

If a society is to be secure, sustainable and resilient, conflicting interests must be reconciled. Researchers at Leiden University study the behaviour of individuals, groups and states in relation to this issue, and use their knowledge to promote equality within and between communities.

The Centre for Science and Technology Studies (CWTS) is a research institute at Leiden University working on improving how science is practiced and governed and how it serves society.

Juan Masullo J., Assistant Professor at Leiden University’s Institute of Political Science, has been named a 2025 Harry Frank Guggenheim Distinguished Scholar. His research with Nicholas Barnes on public security policy preferences in Rio de Janeiro's favelas has been recognized for its innovative approach…

Why should you create and use an ORCID? Here is the answer!

Why should you publish your data? ... and how?

Seminar

Andrew Hoffman (CADS), Mark Westmoreland (CADS) and Yasmin Ismail (CADS) have received a KIEM grant of € 10.000 for their project 'CARMA: Community Archive and Repository for Multimodal and Artistic Research'. The grant will be used to create a 'living laboratory' that helps researchers, data management…

Study information

-

South Korean smash hit Squid Game is on track to becoming the most successful Netflix production ever. The series is number one in over 90 countries. Professor and Korea expert Remco Breuker can see why South Korean pop culture is becoming so popular, also outside Asia.

Ukrainian Yana Rudenko lived through the Russian occupation of Bucha in March 2022 and thereafter came to Leiden to study. thereafter De Oekraïense Yana Rudenko (24) jaar heeft in maart 2022 de Russische bezetting van Boetsja meegemaakt en is daarna gaan studeren in Leiden.

What did psychology student Jessie learn while working at a psychiatric hospital in The Gambia? And why is Noman from Yemen now studying political science in Leiden? Thanks to donations from alumni, students have the opportunity to spend time abroad funded by a LUF grant. Jessie and Noman talk about…

In theory, the responsible conduct of research leads to greater trust in scientific findings, fosters a healthy academic culture in which scientists can flourish, and promotes a productive and mutually beneficial relationship between science and society. In practice, this is achieved by improving transparency…

The Dutch Tax and Customs Authority is planning to start enforcing income tax and contribution obligations again following a moratorium lasting several years. The tax authority is doing this in a move to combat sham self-employment; a dossier that continues to be a huge obstacle for the Dutch House…

-

The main aim of the project is to collect and update on a regular basis bibliometric and patent indicators that can be used to underpin and inform analyses pursued at the European Commission (EC) to assess European and national scientific and technological performance.

The 22nd of march 2023, political scientist Lukas Spielberger will defend his dissertation ‘Lessons from Europe for the study of international bank cooperation’. He wrote his thesis about the cooperation of central banks during international financial crises: ‘central banks pay more attention to shared…

Eveline Crone, Professor of Neurocognitive Developmental Psychology, has been awarded the NWO Spinoza Prize for her high-profile research on adolescent development. NWO announced the award on 16 June. What will Crone do with the award of 2.5 million euros?

Seminar