Developmental and Educational psychology is concerned with the developmental course and dynamics of cognition, self-regulation, and emotional competence, and the implications for educational and clinical practice.

An investigation into how racial stereotypes were created and used in the European Middle Ages.

The HOPES study is one of the largest investigations of this kind to date! By studying existing brain scans and data collected form over 4,000 14-25 year olds, the project team hopes to identify specific changes in the brain that make young people vulnerable to suicidal thoughts and behaviours.

Embarking on a PhD trajectory and perhaps moving countries in order to do so is a big thing, and it can be hard to find the information you need. The info below ranges from formal rules to practical matters such as the need to look for housing.

This project envisions a broad evaluation of 20th century models of human development over the life course (ontogenesis, human constitution), including socialist and capitalist conceptions across both Eastern and Western Europe.

On 8 February, the Leiden University Fund officially launched the LUF Children’s Fund. For one year, we will support research projects by Leiden scientists aimed at creating a better future for vulnerable children.

A fun challenge full of energy, teamwork and good vibes? On Saturday 21 June 2025, the Leiden Science Run was back!

Up to 50% of all children and adolescents growing up worldwide are exposed to at least one form of childhood adversity (CA), which is one of the strongest predictors for later-life psychopathology.

On the 16th of May, Qing Yang successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Qing on this achievement!

How do speakers adapt to multilingual contexts?

Brave Little Ones is a research group that investigates the potential prevention of anxiety disorders in children aged 3-6 years old who are very shy or anxious.

This website showcases Leiden University’s contribution to the SSH Sector Plans.

At the end of 2019, Leiden law student Aoife Fleming was elected UN Youth Representative for Sustainable Development. What impact is the corona crisis having on international climate negotiations?

Prof. dr. Judi Mesman has been appointed professor of the interdisciplinary study of societal challenges, representing a shared chair between the Faculties Governance and Global Affairs (FGGA) and Social and Behavioral Sciences (FSW) at Leiden University.

In hun klinische stage leren Psychologiestudenten mentale steun bieden aan anderen, maar hoe zorgen zij als toekomstige therapeut ook voor zichzelf? Met video’s, podcasts en een panel wil Kelly Ziemer haar studenten de nodige zelfzorg-skills bijbrengen.

More than 80 percent of the EU’s agricultural subsidies go to the production of animals or animal feed. These products are responsible for 84 percent of the EU’s food-related greenhouse gas emissions. That is revealed in a new study by three Leiden researchers published in Nature Food. ‘If we continue…

This week we welcomed a high-level delegation from the Dutch Research Council (NWO) and the National Natural Science Foundation of China (NSFC) to Leiden’s Institute of Environmental Sciences (CML).

Strengthening nature and at the same time investing in future-proof agriculture. That is the task of the Minister for Nature and Nitrogen, Christianne van der Wal. It is also the lifework of Leiden professor Jan Willem Erisman. He has been researching nitrogen for his entire career and has shown that…

The Leiden University Network for Health in Africa (LUNHA) aims to shift the focus of global health to be more about justice, fairness, and inclusion.

While African ground-based air quality measurements have struggled to gain national and continental footholds, satellite data, especially high-resolution measurements from the TROPOMI satellite, can provide not only continental coverage but lend new insights for regional to city-scale air quality issues…

Study information

We hebben 6 van de 9 grenzen overschreden die bepalen of menselijk leven in de komende generaties nog mogelijk is op aarde. Kunnen we het tij nog keren?

Climate change, biodiversity loss and environmental pollution are urgent problems that call for close collaboration between lawyers and scientists. Dr Hilde Woker and Dr Jason Rudall, both Assistant Professors at Leiden University, are investigating the important interface between law and science.

Last friday, an article appeared on Ruetir about 'donut thinking' in Amsterdam. Shivant Jhagroe, assistant professor at the Institute of Public Administration, talked about how 'donut thinking' could work in Amsterdam.

In 2021, the eleventh Conference of the International Society for Industrial Ecology will take place in Leiden. The Institute of Environmental Sciences Leiden (CML) has been elected to host the next biennial meeting at the latest conference of the Society in Beijing, China. ‘Industrial ecology can play…

Cotton is the most widely used natural fibre for clothes. But how polluting are our jeans and shirts actually? Environmental scientist Laura Scherer coordinated an international research project on the impacts of cotton. ‘The purchases of consumers in Europe can contribute to water scarcity in China…

Its idyllic setting and white sandy beaches have made the Maldives a hotspot for tourists. This provides an income but is a problem for the fragile natural environment. Students from various universities worked with the local people to make the soil more fertile. How did they go about it?

A huge shiny aluminium object stands in the middle of the Polderlab in Oud Ade. Are the researchers trying to make contact with extraterrestrial life? Certainly not; they are using the ’Moon landers’ to measure whether innovative forms of agriculture reduce greenhouse gas emissions. Fleur van Duin works…

Collaboration

Study information

As UN Youth Delegate on Sustainable Development, Leiden student Aoife Fleming is currently in Madrid for the UN Climate Change Conference COP25.

To relieve a patient's pain, it can be effective to induce expectations. This finding is promising for optimising the effectiveness of treatments, conclude Kaya Peerdeman and colleagues in their article in PAIN.

The national dietary guidelines in Australia, Brazil, Ireland, Japan, Portugal, and Slovenia benefit nutrition, environment and animal welfare, Leiden environmental scientists write in the journal One Earth. However, the national guidelines of other countries face trade-offs, negatively impacting at…

A more efficient solar panel sounds great. But what if these new panels consume more toxic materials, or their production consumes a lot of energy? Leiden environmental scientists, together with colleagues from the Fraunhofer ISE, address this multifaceted question in a new publication in the prestigious…

Study information

A master's degree in Psychology at Leiden University combines theoretical knowledge with academic and professional skills, making you an attractive candidate for many employers.

Aoife Fleming attended the climate summit in Glasgow as UN Youth Delegate for the Netherlands. She recently graduated with a master’s degree in Financial Law.