Deepfakes are videos that have been manipulated to replace one person’s likeness with that of another. They can be difficult to distinguish from authentic videos. In our study, we found that people who score high on conspiracy thinking and people who use social media more are better at distinguishing…

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.

What is the role of emotion regulation in coping with interpersonal feedback?

The aim of this thesis was to study the link between hearing loss, language skills, and social functioning in deaf and hard of hearing (DHH) children. Sufficient language skills are an essential prerequisite to develop appropriate communication skills, in order to join in conversations with others.…

Is aggression always bad? PhD research by psychologist Simone Dobbelaar shows that it is not. In fact, children who occasionally fiercely defend themselves and stand up for their peers often feel better mentally.

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

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With the emergence of online social networks (OSNs), the way people create and share information has changed, which becomes faster and broader than traditional social media.

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…

Jurist Gineke Wiggers wants to predict the expected impact of legal articles. Carel Stolker, Rector of the University and, like Wiggers, a legal specialist, is enthusiastic about the research. ‘A big data project like this will help us establish the effect of our work on society.’

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…

I am an associate professor in health psychology here at the Faculty of Social and Behavioural Sciences. My main line of work is health behaviour and behaviour change, so trying to understand why people do what they do including clearly unhealthy things. I have done a lot of work on personal goals and…

In African societies today, growing inequality and continued exclusion due to ethnicity, gender, religion, disability or sexual orientation give rise to both contestation and cooperation for social change. How does the written or spoken word lead to collaboration and contestation in areas of social…

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,…

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

From 5 – 7 November the The Hague Program for Cyber Norms will take place at Het Spaansche Hof in the Hague. The theme this year is Behaviour in Cyberspace: Novel Horizons.

Minister of Justice Dilan Yeşilgöz-Zegerius recently warned against

PhD defence

As part of Nexus 1492 Subproject 4: A Future for Diverse Caribbean Heritages, which seeks to shed light on how local communities interpret and engage with heritage in the present day, this doctoral study aims to gain insight into how indigenous heritage is represented in the school curriculum for social…

PhD defence

This open access book brings together an eclectic cast of scholars in related disciplines to examine ageing in the Soviet Union, covering the practice of geriatrics, the science of gerontology, and the experience of growing old. Chapters in the book focus on concepts and themes that analyse Soviet ageing…

Teacher training should do more to prepare teachers for the pedagogical aspects of teaching, Professor of Educational Sciences Tim Mainhard will argue in his inaugural lecture. ‘Children who find learning difficult particularly benefit from a close relationship with their teacher.’

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…

Those who know their dystopian classics will inevitably associate the concept of surveillance society with the all-knowing oppressive force characterized as Big Brother in George Orwell’s novel 1984. However, surveillance permeats our society in many more subtle aspects than our worst fears about spy…

This project explores the decline of shifting cultivation in Northeast India. What is the impact on society of people’s deepening engagement with markets and the state?

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

This is a Special Issue of the peer-reviewed journal 'Social Sciences and Missions', which provides a forum for exploration of the social and political influence of Christian missions worldwide.

This project explored the role of material culture, in casu painted plaster and its technologies, in expressing dynamic social identities and in forging complex interwoven human relationships in the context of the Middle to Late Bronze Age of the Aegean and East Mediterranean.

2024 has been an eventful year, and this is reflected in our social media posts. An overview of the most liked, most shared or most impressive posts.

Andrei Poama, Assistant Professor at Leiden University, published a piece in the journal of Political Philosophy about social injustice, disadvantaged offenders and the state's authority to punish.

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

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.

Videos shared on social media have become important evidence to hold perpetrators of human rights violations accountable. What does this increased use of digital open source evidence mean for the quality of international human rights accountability? Through an innovative experimental design, this project…

Operators in the Lexicon opens with an old chestnut: why are there no natural single word lexicalizations for negations of the propositional operator and and the predicate calculus operator all: why neither *nand nor *nall?

Scientists, including our faculty colleague Dr. Mike Field, studying an exceptionally well-preserved woolly rhinoceros have revealed details of what Britain's environment was like 42,000 years ago. The beast's remains were discovered in Staffordshire in 2002, buried alongside other preserved organisms…

The group is involved in training in areas of diagnostic skills, treatment/prevention/intervention, neuropsychological assessment, behavioral observations, clinical interviewing, knowledge of intellectual disability, autism, ADHD, psychosis and aggression.

Social aspects of the learning environment, also called classroom climate, are important for students’ cognitive and affective learning outcomes. In this thesis the classroom climate is operationalised by means of two components: the teacher-class relationship and classroom discipline.

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…

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