Freshwater biodiversity has been threatened by eutrophication due to excessive nutrients in the environment. Releasing the freshwater species from such pressures requires efforts from industry and manufacturers to avoid emissions to vulnerable and high-risk regions.

Helping people, groups and policymakers navigate the social transitions of our time.

A cautious response to a crisis or terrorist act avoids the creation of a culture of fear. This is another way to reduce our vulnerability to terrorism.

Promotores: Prof.dr. G.R. de Snoo & Dr. R. Heijungs

At FGGA, we want our staff to feel safe in all respects. We therefore strive to create a work environment where we treat each other with respect, where we promote inclusion and where we speak up if we experience or witness unsafety.

This thesis aimed to investigate the impact of exposure dynamics, relative contributions of ENPs(particle) and ENPs(ion), and dosing regimens on the toxicity of ENPs varying in different physico-chemical properties, on the composition and functioning of soil microbial communities.

This project aims to explore the environmental impact of early Roman expansion (4th/3rd century BC) through a program of dating and ecological sampling of traces of field systems (centuriations).

An analysis of researchers' global mobility reveals that limiting the circulation of scholars will damage the scientific system.

Agora, Wassenaarseweg 52, 2333 AK, Leiden

The [a]social creatures lab focusses on understanding social interaction with and between artificial creatures.

Management of Impacts on Biodiversity: What are the effects of light pollution from cities and bridges and noise pollution from passing vessels and nearby road traffic on migratory fish passage and spawning in rivers?

Efficiently responding to others’ emotions has great survival value, especially for social species, such as primates, who establish close, long-term bonds with group members. The closest living relatives to humans are the chimpanzee and the bonobo. Studying these species, and comparing them on the exact…

Social anxiety runs in families, but the neurobiology underlying this genetic vulnerability is until now largely unknown. The unique Leiden Family Lab study on Social Anxiety Disorder (LFLSAD) aims to broaden our knowledge with respect to this genetic susceptibility.

The [A]Social Creatures Lab is an interdisciplinary research lab that focuses on understanding social interaction with and between artificial creatures. Researchers and students from the Creative Intelligence & Technology group collaborate in it.

There are several ways to stay up to date via social media.

Social anxiety disorder is one of the most common disorders in children and young people. Social anxiety is characterized by excessive fear and avoidance of social situations. The primary fear in children with social anxiety is that they will be negatively judged by others. To date, the most frequently…

Kantorowicz & Voigt examine whether federal systems, with their multiple levels of government, lead to higher constitutional compliance

Innovation plays an essential role in firms' competitiveness and long-term success. It varies from different types, ranging from run-of-the-mill innovation that brings incremental changes to existing technologies to radical innovation that breaks from existing trajectories.

Social Citizenship & Migration (SCM) is one of the nine interdisciplinary programmes launched by Leiden University in 2020. It is led by the Faculties of Governance and Global Affairs, Law, Humanities, and Social Science.

This focus area adresses the social context of health and well-being, with a particular emphasis on social inequality.

Serious forms of anxiety concerning other people’s opinions can hinder teenagers at school in social interactions or carrying out tasks. Psychologist Anne Miers is looking for ways to reduce this so-called ‘social anxiety’.

For this project we delve into children's digital media use during the transition from kindergarten to group 3 and investigate its impact on their social development.

At Leiden University’s Faculty of Social and Behavioural Sciences we keep in touch with our alumni in various ways.

Explore how stakeholders in Gabon's Makokou region interact with forest resources in logging, agriculture, and mining, and their impacts on social and environmental changes.

Current social norms are unsustainable, making behavior change crucial for addressing the climate crisis. Social norms can shift rapidly after tipping points, but these are often only recognised in hindsight. To promote change, we need better predictive power, i.e. ability to detect early warning signs…

This interdisciplinary research project explores several adaptive machine learning methods which can give insight into the interaction between human and machine. The ultimate goal is open and natural communication between humans and AI that should result in mutual trust, cooperation and coordination…

There are five institutes at the Faculty of Social and Behavioural Sciences:

The Faculty of Social and Behavioural Sciences (FSW) aims to play a leading role in gaining insights on current developments in society.

Are you thinking about studying Social and Organisational Psychology? Learn more and watch the videos.

The Faculty of Social and Behavioural Sciences brings together high-quality research and outstanding teaching in the disciplines of cultural anthropology, education and child studies, political science, psychology, science and technology studies, as well as in multidisciplinary approaches.

How do young adults find their way in an increasingly complex society? In Leiden, as part of the GUTS project, we study how brain development and self-regulation play a role in this process.

Social resilience and security has never been more important. Over the last 2 years, the COVID-19 pandemic has created a considerable disturbance to our personal and social lives. As a result, the general population reports more stress, loneliness and decreased quality of life. At the same time, there…

What are the developmental pathways to social anxiety (disorder), the causal processes and maintaining factors? How do these factors interact in the development of social anxiety disorder? How can this knowledge be used to design and implement effective preventive intervention programs for youth?

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…

When and how does social anxiety develop? How can it go astray in some adolescents? How can we help troubled young people to attend school regularly and return to a normal developmental pathway?

Each month, we publish an article showcasing how social science research and education contribute to solving societal challenges. Researchers, lecturers, students, and societal partners work together to make knowledge accessible and to make a difference. Through open science and engaged education, we…

As our society becomes increasingly complex, it is critical that we better understand how we can deal with fundamental issues such as societal and personal security, and resilience against threats to our security.

Team Economic and Social History

In the specialisation Social and Organisational Psychology, part of the Master in Psychology, you study behaviour in formal and informal groups, such as sports or work teams.

The car we buy is made out of thousands of components, which are produced using different types of materials. These materials need to be sourced from different places, sent to production facilities and assembled. Once the car is dismissed, the components need to be taken care of by either reusing, recycling…

Developments in globalization and industrialization continuously push governments, international organizations and NGOs to reexamine the opportunities available to people at all levels of society to attain basic socioeconomic necessities. Research into existing social justice initiatives has shown a…

This project aims to identify, quantify and map the exposure of Dutch national monuments to four climate change effects: flooding, waterlogging, drought and heat.

Inequality and violence are the two biggest issues in South Africa. What is the underlying cause? Could they be linked to rivalling groups, economic factors, government policy or all of the above? To understand social issues, it is important to study them within their context. The extended case study…

What is the neural basis of social decision-making across childhood, adolescence and adulthood and what are the developmental patterns in terms of behavior and brain activation?

On 1 October 2019, Emile Cammeraat defended his thesis 'Economic Effects of Social Protection'. The doctoral research was supervised by Prof. K.P. Goudswaard and Prof. P.W.C. Koning.

Can positive peer feedback break the cycle of negative self-relevant cognitive processes and reduce self-reported anxiety in early adolescents?

This thesis aims to investigate the effect of tripartite interaction between microbial inoculants, the plant, and herbivore insects on the rhizosphere microbiome and volatilome. We investigated the rhizosphere microbiome and volatilome of tomato plants exposed to insect herbivory and/or inoculated with…

Low-carbon (LE) technologies have a significant potential to reduce the total carbon emissions in China.

The rapidly increasing commercial application of metallic nanoparticles within products will inevitably enhance the amount of NPs being released into soil.