Historiography of science is in its current self-image a non-evaluative discipline. Its main goal is to understand past processes of knowledge formation on their own terms. In the last few decades this approach has greatly improved our understanding of the phenomenon of science. Yet, something strange…

Are there any differences in gaze behavior between high and low socially anxious individuals? What factors influence the relation between social anxiety and gaze behavior?

An analysis of people’s access to justice and the working of (legal) institutions in post-conflict, democratic Libya

This thesis attempts to establish a dialogue between the modern and the medieval traditions in logic, by means of ‘translations’ of the medieval logical theories into the modern framework of symbolic logic, i.e. formalizations.

It is generally accepted that a university education is about more than knowledge transfer alone. Alongside knowledge and understanding, students should develop the skills required to apply this knowledge and understanding.

This is a critical edition with introduction and indices of the Questiones libri Porphirii, a commentary on Porphyry’s Isagoge attributed to the fourteenth-century logician Thomas Manlevelt.

Dr. at the Department of organic chemistry, Wageningen University - the Nederlands

The most urgent sustainability challenges, such as climate change, biodiversity loss, resource depletion, and pollution, are complex issues that concern society as a whole. This means that among employers there is a growing demand for graduates who are able to combine both scientific and social knowledge,…

Do you have any questions about the master's specialisation Child and Adolescent Psychology? Please contact us.

Why do children with an Autism Spectrum Disorder (ASD) have difficulties with acquiring emotion regulation skills; and how is this related to their social impairments and comorbid psychopathology?

Natural product library for high throughput screening.

2,240 plant extracts from 1,299 different plant species of Dutch origin. That’s the collection of the Dutch Extract Library, which has recently been transferred to the Institute of Biology Leiden. To plant biologist and contact person for this library Pingtao Ding this is a true treasury. ‘To bring…

Is blended care a feasible and effective treatment method for social anxiety in adolescence?

Effects of age and social anxiety

The 80,000 visitors to the Liberation Day Festival in The Hague on 5 May can learn about 444-year-old Leiden University at a range of interactive events on Malieveld and in the Dutch Parliament.

The ‘Leer te Durven!’ program (Learn to Dare) is a preventive training program for children with mild anxiety symptoms (Simon & Bögels, 2014). The program has been developed for children between the ages of 8 and 12 who feel or behave anxiously, avoid situations, are afraid of doing things wrong, appear…

The labour market has seen significant changes in recent decades, not least in terms of greater flexibility and digitisation. Leiden University is keen to prepare students for a working life in which flexibility, resilience and adaptability will be essential qualities. The university’s vision on teaching…

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?

Electronic versions of our publications can be obtained by sending an e-mail to Esther van den Bos: bosejvanden@fsw.leidenuniv.nl

The starting point for this research project is the notion that the human brain is susceptible to all kinds of fallacies and biases that affect our perceptions and influence our reasoning outside of our conscious awareness. Indeed, most people think they are merely observing facts and that they process…

For Humans of Psychology, students and staff will be put into the spotlight. At our institute prizes are won, exiting research is conducted, knowledge is harnessed, public meeting are organised and open science is highlighted. Take a look behind the scenes.

Optimally solving real-world expensive Black-Box Optimization (BBO) problems w.r.t. real-world constraints, such as wall-clock time and computational costs, is extremely difficult and tedious.

How can we facilitate the early recognition of stress and anxiety in the classroom and collaborate with schools in providing low-threshold interventions?

The objective of this project is to show how teacher research can encourage teachers’ learning process as professionals, improve teaching practices and generate knowledge about these practices.

Does the public speaking anxiety that many youngsters experience originates from specific characteristics in their earlier development?

Lange tijd wisten we ons thuis in een wereld die we meenden te hebben. Het bestaan in deze vertrouwde wereld vormde onze existentie, die we op een eigenlijke wijze op ons namen. Thans is de wereld echter niet meer wat hij was, en zijn we ook zelf niet meer wie we waren. ‘De wereld is weg’, zo dichtte…

Labour market surveys show an increasing demand for students in the field of Urban Studies, particularly those who have been trained in a broad programme including social and cultural perspectives on cities and urbanisation processes.

Will you be studying in Leiden University in The Hague? If so, join in the HOP introduction week and get acquainted with the city and its student life.

We examine the effect of social learning on emotional competence in children and adolescents with a typical or atypical development.

This research project focuses on the development of a popular national agency in late nineteenth century Amsterdam and the question how ‘ordinary’ citizens imagined ‘the Netherlands’ through the experience and use of their urban surroundings.

This project investigates which aspects of social media content adolescents attend to and how these relate to their credibility judgments, aiming to systematically understand their susceptibility to misinformation and inform effective educational programs that foster youth’s resilience to misinforma…

If you are about to embark on a master’s at Leiden University in The Hague and both the city and the University are new to you, consider participating in The HOP. This introduction week has been specially designed to help new students get acquainted with the city and its student life.

The LUC Intro Week 2025 will take place from Monday August 18th through Friday August 22nd. The introduction week is your way to settle into LUC!

In their article; The Effects of Legal Measures to Empower Supervisory Directors: Evidence from a Financial Distress Perspective, Santen and De Bos discuss the relationship between the corporate governance structure of a company and its financial performance. Until now studies predominantly hypothesize…

Women are more often diagnosed with depression, whereas ADHD is much more frequently detected in men. And there are other more striking differences. What role does the brain play in mental health and what is the influence of the environment? For answers to these questions, listen to the ‘(Un)gendered…

Key publications of the Cardiovascular Pharmacology group

Being a better neighbour to the nature around you

Our team consists of the following members.

Below are some of the scholarly works published within the context of the Institutions for Conflict Resolution programme.

On Thursday 17 October, Marieke Bos and Anika Bexkens went behind the scenes at the Jeugdjournaal, a Dutch television program that delivers news specifically for children. They talked to the editors-in-chief of Jeugdjournaal about what kind of questions they receive from children and advised how to…

In het LUMC in Leiden onderzoeken ontwikkelingspsychologen hoe kinderen en jongeren omgaan met emoties. Daarvoor maken ze een mri-scan van de hersenen van de deelnemers (9 - 16 jaar). De 11-jarige Olivier in het Jeugdjournaal: ‘Ik vind het leuk om het onderzoek te helpen.’ Wil je ook de wetenschappers…

Even though it is generally known that Autism and ADHD are more common in men, and depression or anxiety disorders are more common among women, it is still not well understood if, how and when sex differences impact neurodiversity and mental health. To better understand this complex issue, 25 international…

ELS@Leiden research encompasses a wide range of empirical-legal projects carried out within Leiden Law School from the perspective of multiple disciplines and methods. Here you can find the publications of our (former) lab members since the start of the Sector Plan.

Our research regularly receives attention in the (Dutch) popular media. Here is an overview.

The collaboration between ISGA and the NIPV (Netherlands Institute for Public Safety) has been made official. This took place under the guidance of initiators Jeroen Wolbers (ISGA) and Peter Bos (NIPV) during the conclusion of the three-part lecture series on the Dutch crisis management system. Sanneke…

The digital age offers unprecedented opportunities: information is always accessible, systems are interconnected, and processes are automated. However, these developments also give rise to new threats. During the Night of Digital Security on 26 May at the Wijnhaven building, more than experts shared…

The Leiden University’s Program for Cyber Norms, a research platform to investigate the development and implementation of law and policy applicable to uses of ICTs, in cooperation with the think-tank ICT4Peace conducted a global open consultation on how to implement the UN Group of Governmental Experts’…

The research group Organizational & Entrepreneurial Behavior investigates the behavior of individuals and groups who start, work in, or lead organizations, in order to inform organizational practice. By focusing on the behavior of (groups of) employees, entrepreneurs and leaders, the main levels of…

Leiden psychologists receive an Outreach Grant from the Young Academy Leiden (YAL) to talk about facts and fables in their field of research. Marieke Bos, Lara Wierenga, Marit Ruitenberg and Sanne Willems will receive up to €1000 to realise their project.