The Faculty of Social and Behavioural Sciences brings together high-quality research and outstanding mono- and multidisciplinary teaching.

The Faculty of Social and Behavioural Sciences brings together high-quality research and outstanding teaching.

Intelligence of the crowd, or in other words, intelligence of a large, random collective, exists mostly in social media platforms such as twitter. The collective does not comprise (at least not necessarily) experts on crises, just regular people mostly. Nevertheless, there is valuable intelligence to…

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

Archaeologist Araceli Rojas has been invited to participate in the award-winning festival Let’s Talk about Water. This festival combines academic seminars, movies, and panel discussions around water issues around the globe.

The Faculty of Social and Behavioural Sciences brings together high-quality research and outstanding mono- and multidisciplinary teaching.

How does having limited access to the social world affect Deaf or Hard of Hearing (DHH) children’s emotional development? And in turn, how do impairments in emotional functioning affect social development and the development of psychopathology?

Promotor: M.T.M. Koper, Co-Promotor: F. Calle-Vallejo

Within the Faculty of Social and Behavioural Sciences (FSW), D&I translates as the diversity of backgrounds, perspectives, and identities among both students and staff.

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.

This project combines an extensive new open database on linguistic distributions, spatial modelling and areal linguistics in order to disentangle the roles of social and environmental factors on the emergence of linguistic diversity patterns of South America.

From treatment plants to hot showers, emissions from water use in the U.S. are equal to 50 million cars driving around for a year. In The Washington Post, staff writer Tik Root consults different experts to learn about ways to reduce our water consumption. He also speaks with Leiden environmental scientist…

Netherlands and China can learn from each other to handle household and livestock wastewater more sensibly. In the FOREWARD project, scientists from Leiden, Wageningen, and China are working together with local partners on feasible solutions that advance the environment, health, and economy.

A group of ten Indonesian scholars, NGO-members, and state officials coming from the Indonesian Ministry of Environment and Forestry visited their Dutch colleagues, academic and practical experts, to discuss issues related to water management and environmental regulation .

This dissertation takes an important step in understanding the phenomenon of non-take-up of social support and what it means for contemporary social policies.

We report new computational and experimental evidence of an efficient and astrochemically relevant formation route to formaldehyde (H2CO). This simplest carbonylic compound is central to the formation of complex organics in cold interstellar clouds and is generally regarded to be formed by the hydrogenation…

Ice, the solid state of water, plays an important role on our planet as well as the entire universe.Despite the fact that an individual water molecule has a very simple structure, its chemical bonding in the solid phase can be surprisingly complex.

Publication on the excavations at Roman fort Matilo in Leiden

Consequences for sediment stability and seston trapping

This study of the Gamtoos River floodplain in South Africa’s Eastern Cape Province traces its transformation from an eighteenth-century natural landscape of thick bush into an agricultural zone now threatened by climate change.

Dario Fazzi

This book discusses theories of crisis management and the radical right, to shed light on how responses to crisis influence radical right parties in their presence, discourse, and evolution. The book offers a comparative perspective by examining case studies with various traditions of radical right…

Despite their ecological, cultural, and economic importance, lion (Panthera leo) populations in Kenya are declining rapidly due to retaliatory killings following livestock depredation, depletion of wild prey, habitat loss driven by human activities, climate change, and disease.

Promotor: Prof.dr. B.R. Katzy, Prof.dr. H.J. van den Herik, Prof.dr. G.H. Baltes (University of Applied Sciences Konstanz)

This article offers a typology for organizational and institutional crisis management that portrays three sorts of crises: a crisis in an organization, a crisis to the organization and a crisis about the organization.

Managing Diversity: Supervising Functions in Managing Colonial Workplaces

LACDR adheres to strict data management rules, with the aim to make our data findable, accessible, interoperable and re-usable. For this reason all LACDR PhD candidates are required to prepare a data management plan and to implement data management rules accordingly. All PhD candidates follow a data…

Paul Hudson, a professor at Leiden University College, is organising a symposium on water management in the Netherlands and abroad that will take place on 22 March. We asked him what makes water management so important.

What is the relation between the experience and the act of exclusion?

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

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:…

Pesticides can form a toxic cocktail when they occur in combination in surface water. This is the finding of research that Leiden University and the Dutch National Institute for Public Health and the Environment (RIVM) presented on Monday 14 October. The Dutch Ministry of Infrastructure and Water Management…

Peak Performance: Collaborative Crisis Management Before and During International Summits. This comparative case study probes into conditions for collaborative governance in the security organisation of international summits.

Promotor: Prof.dr. H.V.J. Linnartz, Co-Promotores: H.M. Cuppen, S. Ioppolo

In 2011, the Udhruh Archaeological Project was launched, bringing together teams of Jordanian and Dutch archaeologists to investigate the region and reconstruct ancient water harvesting techniques in the extremely arid landscape of Udhruh. Access to fresh water remains one of the most pressing global…

About 15 km to the south of the ancient city of Petra, archaeologists from the University of Leiden have discovered an impressive network of ancient water conservation measures and irrigated field systems.

Are you thinking about studying Management van de Publieke Sector: Politiek, Beleid en Management? Learn more and watch thevideos. Please note that this programme is taught in Dutch.

With increasing carbon dioxide levels in the atmosphere and their detrimental effect on the global climate, modern society needs to push for more renewable energy sources. Storing widely accessible and abundant solar energy in chemical bonds in the form of molecular fuel via artificial photosynthesis…

Leiden astronomers and ecologists are developing an instrument that lets people measure the quality of surface water with a smartphone.This international citizen science project, MONOCLE, is a collaboration between scientists and local people in Tanzania, Brazil and four European countries.

Using the League of Nations’ responses to early crises as an explorative historical case study, Political Scientist Gisela Hirschmann investigates how international organisations perceive and respond to existential threats.

In the Biomedical Sciences Management specialisation you gain knowledge and skills in the area of management, business and entrepreneurship with focus on science- and research driven companies. You will combine research in biomedical sciences with different aspects of business studies and learn to build…

Data management is crucial for the success of research projects.

Our Dutch-taught Master of Public Sector Management equips you to tackle pressing societal challenges, like climate change and artificial intelligence. Prepare for a rewarding career as a public professional, understanding the crucial role of a proactive and reliable government in addressing these complex…

Archaeological heritage management is concerned with the identification, protection, management and preservation of the material remains of human activity in the past (of whatever period and in whichever region of the world) and with the interaction that this involves with all kinds of stakeholders.

Reference management software is software that enables scholars, researchers, and academics of all types to capture and use citations when creating their bibliography. These programs allow you to import citations from various databases and websites, create and organize bibliographies, and format article…

There has been a lot of media attention for the report recently completed by the Institute of Environmental Sciences (CML) from Leiden University. However, it has long been known that Dutch surface water contains too many toxic pesticides. ‘We will have to improve our ways of life together with many…