The researchers at the Institute of Education and Child Studies focus on child rearing and the development of children and adolescents with and without developmental and other problems, in biological and non-biological families, childcare, education and care institutions.

Positive friendships are characterised by understanding mutual wishes and intentions, respect for each other’s boundaries and pro-social behaviour. Qualities that might be more challenging for autistic adolescents.

Composer Paul Craenen (1972) is actually a pianist, but as part of his PhD ceremony, he performed a composition on PVC pipes. Craenen studies the position and role of the body in music. ‘I am interested in what precedes the resulting sound’.

How do you ensure that research is performed, evaluated and managed in a responsible way? This question is also of the utmost important to the University itself. The Centre for Science and Technology Studies (CWTS) studies scientific research and its relationship with technology, innovation and soci…

Do e-waste workers display enhanced effects of adverse health effects due to informal e-waste processing in Nigeria? Is there a difference between the health outcomes of the exposed and the control groups? Are there difference in health effects within and between job groups (collectors, dismantlers,…

Virtual currency is a new phenomenon. There is still uncertainty regarding its operation, status and legal consequences.

How and to what extent the historic house (re-)constructs identity through image-making in China.

The Kroese-Duijsters Symposia aim to provide researchers from different fields and different career stages to meet in an informal setting, to stimulate discussions and to start new collaborations. The Kroese-Duijsters Symposia started in 2022 and we are pleased to invite you to the 3rd Kroese-Duijsters…

INFORM (Introduction of the data protection reform to the judicial system) is a project granted by the Directorate-General Justice and Consumers of the European Commission.

What is the Electronics Department?

Doing a PhD is both demanding and rewarding. Whether it is a step in your academic career, or the crown on your university education, doctoral research calls for intellectual prowess, creativity, and stamina. Leiden University’s Institute of Political Science offers you a professional and supporting…

Training a robot in a real-life environment is more or less impossible. Computer scientist and psychologist Roy de Kleijn switched to training in a simulated, virtual one instead. ‘You do have a reality gap, but the more precisely you train the robot, the better it is in practice.’ His inspiration:…

At Leiden University College we are determined to offer the best Liberal Arts & Sciences programme, and we believe that our students have the potential to play a leading role in tackling the challenges our world faces. Therefore, we aim to ensure that any student - regardless of their background - can…

A virtual hand that feels as if it is your own. Feeling happier because a virtual face is smiling with you. Cognitive Psychologist Ke Ma discovered using virtual reality that the way we experience our body is more flexible than we thought. Ma: ‘We can think up some fantastic applications.' PhD defence…

Plant Sciences' contribution to the Evolution & Biodiversity research theme is to understand what are the key drivers of plant biodiversity during evolution with a focus on plant life history and resilience traits and develop tools to restore and maintain plant biodiversity.

Modelling supra-regional communities in the early 3rd Millennium BC

Labour is back as a significant social and political force in Indonesia, as was shown in the recent 1 May trade union demonstrations in Jakarta. Over the past years major changes have taken place in Indonesian labour law, leading to new forms of judicial and political resolution of labour disputes.

Security is key to survival for any living organism: life is full of perils and threats, both physically, environmentally, and societally. Security challenges such as terrorism, natural disasters, and cybercrime rank among the most pressing issues of our time, affecting the security and safety of millions…

This project contests the assumption of criminologists that gender differences in recorded crime are static over time and that women are in general less likely to commit a crime than men.

Common challenge: unique circumstances

The Old Observatory houses four historical telescopes. On this page you can learn more about them.

The Department of Civil Law is responsible for education and research in the field of civil law. We teach the master’s degree programme Civiel Recht (Civil Law LL.M.), attracting many students each year from Leiden and elsewhere.

By documenting lexical and morpho-syntactic patterns among P’urhepecha speakers in Mexico and the US diaspora, this project will investigate the sources of language variation. The ensuing online dialect atlas will serve as an online resource for speakers, learners and researchers of the language.

Recent insolvency cases highlight the growing importance of cross-border insolvency matters in international transactions. To this end, many instruments have been introduced and implemented in recent years across the world. At this page we present a selection of relevant instruments in the field of…

The Institute of Education and Child Studies is part of the Faculty of Social and Behavioural Sciences at Leiden University. The institute is governed by an Institute Board under the direction of a rotating chairman, i.e. the Scientific Director and an Director of Studies. The Institute Board is…

On the basis of the characteristic aspects of a picture, certain computers can tell us what the picture is showing. They can learn this in the same way that young children are able to learn to recognize images. Further improving these techniques opens the way to a whole range of new applications. Biology…

Roll your sustainable sleeves! Our students and staff have found various ways to do just that, both at home and at our university.

The research conducted at the Leiden Academic Centre for Drug Research is clustered within the divisions of BioTherapeutics, Cell Systems and Drug Safety, Medicinal Chemistry and Systems Pharmacology and Pharmacy, and the Metabolomics and Analytics Centre.

CML’s education programme aims at training (under)graduate and graduate students for integrated and multidisciplinary sustainability research and for better decision making in managing the world’s natural resources, environmental quality and biodiversity.

Data analysis with Python and R are rapidly becoming essential skills for modern scientists. Therefore, we are offering courses to develop your scientific computing skills. Those courses are optional for LACDR PhD candidates.

Leiden University has long history of research and teaching on Asian traditions, with a focus on language and philology, history, religious studies, philosophy, law and literature. Leiden has in the last thirty years also built up an equally impressive strength in the study of modern and contemporary…

Review Committees, with cross-boundary experts, are invited to assess our research and education programmes.

The Leiden Centre for Continental Philosophy (LCCP) is a research community based at the Institute for Philosophy at Leiden University. LCCP is envisaged as an open space for stimulating discussion, critical debate and inventive co-operation in the local and international philosophical community. We…

Lecture, Leiden Yemeni Studies Lecture Series

Morocco and the Netherlands have a strong bond. The modern community of Dutch people with Moroccan roots is part of a shared history spanning four centuries of social and academic exchange. As an institution that functions at the heart of Moroccan society and the university system, the Netherlands Institute…

The research addresses the question of “what is the impact of geopolitical changes to the pivot states in the Middle East? With special focus on Turkey, Iran and Saudi Arabia.”

Which plants are depicted, described or collected in these century-old objects? Who made these objects, where and for what purpose? What is their scientific and societal relevance today?

Do sustainability values play a role in motivating people to act for biodiversity in successful projects and in successful leadership action? And how could these values be incorporated in current economic valuation methods?

The Faculty of Science has multiple study associations, which organise both study-related and social activities for students.

How should the international community of states respond to genocide, war crimes and crimes against humanity? How can the perpetrators of international crimes be brought to justice? How can international crimes be prevented? How can the international community of states promote international consensus…

A global perspective on the nature and evolution of nationalism, from the early modern era to the present.

PathOS aims to contribute to a better understanding and measurement of Open Science impacts and their causal mechanisms. This is pivotal in order to develop effective OS policy in the EU (European Union). It will do so by collecting concrete evidence of OS effects, by studying the pathways of OS practices,…

Investigating epistemic and ethical practices in medical experimentation on humans in the colonial period in Southeast Asia.

Taking the changing landscape of international cyber security and cyber conflict as a point of departure, The Hague Program on International Cyber Security focuses on the various modes of governance that states and other actors can bring into play to deal with and shape the strategic changes and challenges…

With each discovery that is made, the universe reveals a fraction of its secrets: the most distant galaxies and quasars, the atmosphere of exoplanets, evidence of dark matter, complex molecules in space. This is what fills the days and nights of the researchers from the Leiden Observatory and their…

The fragmentary is everywhere: we encounter fragments in social media (Tiktok, Twitter), in personal memories from our childhood, and in traditions from our cultural heritage.

To what end and how does Plautus constantly underline the Helleni(sti)c provenance of his art? How does this aspect relate the author’s originality?

Understanding the history of Islam and Muslim societies sheds a clear light on the complex and changing social structures of the Middle East, including the current trouble spots whose effect spreads all the way to Western Europe.