PhD defence

Why are health problems such as loneliness and obesity so persistent? What causes them to occur more frequently in some neighborhoods than others? And how can we solve them? You will learn about these topics in the new minor 'Co-creating a Healthy Society'.

Do you often find yourself exhausted in the lecture hall or at your workplace? Not great for your mental well-being, as Laura Pape knows. She is investigating how an online self-help program can assist in addressing sleep issues and preventing mental health problems. Join her on this elevator pitch…

Proactive zebrafish appear to have a much stronger wake-sleep rhythm than reactive fish. In the most reactive fish, rhythmicity appears to be lacking completely. This is shown with research by Leiden biologists, published in December 2018 in the journal BMC Biology.

What if you get excluded? Are apps against fear and stress effective? How do you keep your brain in shape? The first season of the new podcastseries ‘BreinGeheim’ is about the social contexts of adolescent development and how teens become resilient individuals. Leiden-based behavioural scientist sit…

Money worries can vary from person to person and be about different things: for instance, energy bills, healthcare costs or household spending. The new National Money Worries Monitor wants to gain more insight into the money worries and financial vulnerability of the Dutch population.

We are delighted to welcome Arun Sukumar as Visiting Fellow of The Hague Program for Cyber Norms at Leiden University’s Institute of Security and Global Affairs from 30 October - 30 November.

Adults who were abused or mistreated as a child and consequently suffer from post-traumatic stress disorder (PTSD) can benefit greatly from cognitive behavioural therapy. This is the conclusion of a study of 149 patients. Researcher and PhD candidate Chris Hoeboer is hopeful about the results and the…

Ellen de Bruijn and Berna Güroğlu, both of the Psychology Institute, have been proposed for professorships by the Faculty of Social and Behavioural Sciences. Güroğlu: ‘I feel honoured that the University has approved the appointment.’ De Bruijn: ‘It’s great, and really motivating, that Leiden University…

PhD defence

What influence do children’s upbringing and education have on their world view? This is the question Professor Judi Mesman is trying to answer. For her research and public outreach activities, she has just been awarded the prestigious Stevin Prize, the highest award in the Netherlands for a researcher…

In recent years, the public discourse on immigration in Europe and in the United States has often focused on efforts to increase security and restrict traffic on external borders. How old is this phenomenon of states attempting to control migrations on external borders? What were the motives and the…

Cultural Anthropology and Development Sociology is a social science. Anthropologists investigate the ways in which people give meaning to different aspects of their life and the way they interact with each other.

Tom Louwerse, lecturer and researcher at Leiden University’s Institute of Political Science, has been awarded a NWO Vidi grant. This will enable him to conduct research on how government and opposition parties cooperate in parliament and how this affects voters’ party choices and satisfaction with d…

What motivates people to provide help to, or seek help from other groups? And what are the psychological consequences of receiving help from another group?

Observational, cognitive and physiological measurements in social contexts.

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

What are the mechanisms involved in the reconciliation of value conflicts and which interventions are capable of resolving such disputes?

In September 2023 Social Justice Research, a journal from Springer Nature, published a ‘Special Issue on Veteran Reflections’. Eight ‘veterans’ analysed the current status of justice research and suggested new directions and refinements. Herman Steensma, guest member of the section Social, Economic…

How does self-reliance lead to a decrease in collaboration for public goods?

National parochialism is the tendency to cooperate more with ingroup than outgroup members. Angelo Romano, Matthias Sutter, James Liu, Toshio Yamagishi & Daniel Balliet studied national parochialism across different nations and conclude in their publication in Nature Communications that it is a ubiquitous…

In my research, I focus on cooperation, social dilemmas, tacit coordination, uncertainty, sanctions and trust.

This book takes you through the process of writing an empirical thesis, step-by-step, with a (primary) focus on experimental research since that is common in this field. By breaking down the steps of experimental research in chronological order and including tips in each step, the authors hope to give…

A new health programme will reward patients with - or at risk of developing - cardio-vascular diseases for keeping to a healthy lifestyle. A research group including psychologist Andrea Evers has been awarded 2.5 million euros by the Dutch Heart Foundation and the Ministry of Public Health, Welfare…

Thanks to fanatical lobbying various groups of citizens and traders had a lot of influence on the initial success of the Dutch colony in Brazil. This is the conclusion of Leiden PhD candidate Joris van den Tol, who defended his thesis on 20 March.

In the media, we hear a lot of worrying news from Africa: refugees, attacks, Ebola, starvation, corruption... But Africa is much more than that: it is a continent in transition, with developments occurring at breakneck speed. African Studies scholars from different academic disciplines in Leiden conduct…

Lecture

Many primary school children suffer from anxiety and their numbers are increasing. Psychologists from the Knowledge Center Anxiety & Stress (KAS) are developing and researching preventive training.

Monday 26 September, 2016 saw the first confrontation between Hillary Clinton and Donald Trump. Expectations were high – not only about the content of the debate, but also about how the two presidential candidates would behave, and how this might influence their campaigns. We asked three researchers…

Scientists have discovered that starlings and parrots can imitate the complex sounds of Star Wars droid R2-D2 remarkably well. Their study reveals how the structure of a bird’s vocal organ determines its vocal abilities – and how citizen science helps uncover it.

Enforcement of group cooperation fails because of discriminatory punishment, according to research by Welmer Molenmaker and colleagues. When group members have different backgrounds, punishment turns into a double-edged sword: no longer used just to prevent group exploitation, but also to break the…

What are the behavioral, cognitive, and motivational consequences of decision reversibility?

Can the offering of host community compensation help to prevent or solve siting controversies, and if so, why and under which conditions?

How Perceived (In)Visible Dissimilarity Relates to Feelings of Inclusion at Work

How can cardiovascular responses index challenge and threat motivational states? How do challenge and threat states shape, and are shaped by, social relations?

Lecture

Lecture