The making of sacrifices seems part and parcel of any elite sportsperson’s life. Remarkably, the insights that we find in the current literature in social sport studies are not able to make sense of the references to sacrifice in the data that emerged in the context of this study on the social significance…

Migration is the talk of the town. On the whole, however, the current situation is seen as resulting from unique political upheavals. Such a-historical interpretations ignore the fact that migration is a fundamental phenomenon in human societies from the beginning and plays a crucial role in the cultural,…

D.P. Kok defended his thesis on 10 October 2017

University is often a period of sexual exploration and experimentation, generally to the satisfaction of all involved. But sometimes you want it and the other doesn’t. Or vice versa. Or you can’t really tell. This is what the Safe Space play at Theater Ins Blau was about on 11 October. And: can your…

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

Anthropogenic noise has been shown to affect marine animals in various ways, this may have fitness consequences at individual and population level. This thesis aims to increase insight into the quantification of sound-induced behavioural responses that are relevant to fitness, and into factors that…

The organising committee of the congress 'Social Benefits of Higher Education' has decided to postpone the congress.

This collection of seventeen essays takes its inspiration from the scholarly achievements of the Dutch historian Jan Lucassen. They reflect a central theme in his research: the history of labor.

Songbirds as vocal learners learn their songs and song preference from social tutors⁠. Tutor choice for both song and preference learning are important to characterize for understanding individual learning performance and cultural transmission of song⁠.

Together with Pepijn Tuinier and Thijs Brocades Zaalberg, Sebastiaan Rietjens researched the role of trust in an international intelligence cooperation.

The aim of this dissertation is to provide insight in interethnic prejudice of children in the Netherlands and attitudes and ideologies that they are exposed to through two socialization agents (parents and children’s books).

Brian Shaev

This is a difficult time. Above all, for all those directly involved in this horrible case – unacceptable behaviour by a professor and his removal from the University – the case we went public about on 18 October and that has been reported in the media. This is painful and tough for the complainants…

A professor from Leiden University has subjected various colleagues to intimidating and unacceptable behaviour for a longer period. These are the findings of an investigation carried out by the University’s independent Complaints Committee for Unacceptable Behaviour at the request of the Executive Board…

The researchers examine the Council of the European Union's voting behaviour between 2010 and 2021 and the impact of different independent variables.

“The first thing to know is…we don’t post anything without approvals,” the lead social media manager at the French Ministry of Foreign Affairs (MFA) explained after I asked about the MFA’s social media processes. [1]

The United Nations Office for Disarmament Affairs (UNODA) has published the 2017 issue in their Civil Society and Disarmament series, titled Voluntary, Non-Binding Norms for Responsible State Behaviour in the Use of Information and Communications Technology: A Commentary. The series aims to provide…

This article, by Sara Perlstein, explores how perceived social acceptability shapes whether people talk about risks, showing that risk perceptions and conversations are socially negotiated rather than purely individual.

LiTechAe: Percussive stone tools related to stone masonry techniques seen through experimentation and use-wear analysis.

In this article, Annemiek de Looze and Eefje Cuppen, investigated empericallly if and how social conflict leads to institutional change.

A study on the development of prosocial behaviour.

This thesis focuses on the social dimensions of crane and wetland conservation in rural landscapes in Kenya, Uganda and Zimbabwe.

From 1 January 2017, Professor of neurocognitive developmental psychology Eveline Crone has been appointed member of the Social Sciences Council of the Royal Netherlands Academy of Arts and Sciences (KNAW).

An archaeological case-study of the Pointe des Châteaux, La Désirade and Les Îles de la Petite Terre micro-region, Guadeloupe, F.W.I.

This article introduces the concept of Repertoires of Comparison (RoCs) to explain how certain comparisons become deeply embedded in social and political life.

On Friday 7 March 2025 Adam Knight successfully defended a doctoral thesis and graduated.

The central theme of the NWO-project ‘The Promise of Organization’ is the evolution of political organization during the 19th century. We focus on the enthusiasm, arguments and concrete activities of the organizers as well as the criticism offered by opponents of modern political organization.

This COIn Grant 2025 awarded project allows Leiden University researchers and students to do research on the world’s largest corpus of digitized Ottoman language periodicals and books.

Promotor: C.J. ten Cate, Co-promotor: H.W. Slabbekoorn

Mapping the neural mechanisms underlying social motivations of adolescents and adults

This dissertation aims to provide insight in ethnic prejudice in Chinese-Dutch children and the ethnic socialization context they are exposed to through three social-contextual factors, i.e., parents, children’s books, and the COVID pandemic.