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

Cultural and individual differences

Our current lifestyle is not sustainable, and we know it. Our carbon-based economy causes climate change, and our livestock threatens the rainforests. We also know what we ought to do to save the planet: decarbonize the economy and change our diet. However, too many people lack the moral motivation…

Researchers at Leiden study group behaviour. One of their findings is that when people make sacrifices for another member of their group, it is probably instinctive. Insights of this kind enable us to better understand and influence the social processes in a neighbourhood or company.

The research conducted by Tilburg University and Leiden University on the relationship between aggression among prisoners and the strictness of the prison regime has received much attention in the national media.

Promotores: Prof.dr. M.K. Richardson, Prof.dr. H.P. Spaink

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…

Adolescents with autism or hearing loss report fewer feelings of guilt and shame than their peers. However, guilt does still serve a ‘corrective function’ in this group. This is what Evelien Broekhof’s dissertation reveals. PhD defence on 4 June.

Anthropogenic noise negatively affects wildlife in a wide range of taxonomic groups.

The main aim of my Ph.D. thesis is to further explore the value of using early developing zebrafish larvae (up to 5 dpf) as a model to study anxiety-like behaviour and their pharmacological modulation with drugs.

A Study of Middle Palaeolithic Riverside Settlements at Maastricht-Belvédère (The Netherlands).

Promotor: Carel J. ten Cate, Co-Promotor: Hans W. Slabbekoorn

Can Russia be prosecuted for war crimes against Ukraine? The International Criminal Court does not have this jurisdiction. To fill this void in jurisdiction, a new commission has been created: an International Centre for the Prosecution of Crimes of Aggression, the ICPA.

The development process of any software has become extremely important not just in the IT industry, but in almost every business or domain of research.

Occupational health in the Emergency Department

Understanding how data derived from wearable technology can be used to identify effective changes in behaviour that are likely to result in health improvements

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Mining the unusually rich diaries, memoirs, and poems written by Netherlandish Catholics, Judith Pollmann explores how Catholic believers experienced religious and political turmoil in the generations between Erasmus and Rubens.

Knowledge that helps protect the Netherlands and Europe from military and cyber threats.

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?

The consequences of social tendencies for the legislation and institutions in the fields of social security, the labor market policy and pension reform are examined in this multdisciplinary research program..

This article explores how employees use leadership behaviours and how characteristics of the organizational context affect their engagement in leadership.

To inhibit proteins that contribute to the growth of aggressive cancer cells, that’s the plan of Professor Bob van de Water and his team. They will receive over 700,000 euros from the KWF Dutch Cancer Society for their research. Researcher Maaike Vreeswijk and pathologist Danielle Cohen are affiliated…

Leiden University neuropsychologists have shown that customised intervention pays off. A new fundamental research-based approach in children who are in danger of going off the rails has delivered spectacular results.

Birds around airports are more aggressive and sing as if they have hearing loss. Collaboration between researchers of Manchester Metropolitan University and the Institute of Biology Leiden has led to surprising new findings about the impact of anthropogenic noise on birds around airports. Publication…

This edited volume draws from papers presented at the conference Closing the Gap | Responsibility in Cyberspace: Narratives and Practice, organized in June 2022 at the Egmont Palace in Brussels, Belgium, by Leiden University, as part of the EU Cyber Direct project.

Leiden University researchers and their collaborators report the development of new research frameworks that use day-to-day smartphone behavior gathered from a large sample of healthy people to help understand aging, and how aging alters with epilepsy and stroke. These reports occupy two back-to-back…

This study tests whether behavioural problems at a young age are related to early reading and mathematics development.

The brain structure of young people with conduct disorder differs significantly from that of their typically developing peers. This is the conclusion of an international study that analysed more than two thousand MRI scans, recently published in The Lancet Psychiatry. Dr Moji Aghajani, one of the principal…

Political scientists Tom Louwerse, Simon Otjes & Cynthia van Vonno introduce the Dutch Parliamentary Behaviour Dataset, a record of parliamentary (voting) behaviour in the Dutch Tweede Kamer (Second Chamber, House of Representatives) since 1945.

Rutger Leukfeldt, special chair of Governing Cybercrime, and colleagues investigate the link between Protection Motivation Theory (PMT) factors and self-protective online behavior.

Why does social anxiety increase in adolescence and how does it grow out of control in some adolescents?

How do people vote? How rational are voting choices? How much do external factor weigh in? In this article social scientis provide some background.

This project aims at studying the social media reception of African publications as covered by the most important “altmetric” sources.

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.

A national survey conducted by Dutch newspapers Dagblad van het Noorden, Turbantia, Brabants Dagblad and the Dutch Federation of Trade Unions (FNV) shows that staff working in disability and mental health care often face violence in the workplace. In the three northern provinces of the Netherlands,…

Psychological processes have a major effect on the course of a disease and the effects of medical treatment. Researchers in the field of Psychoneurobiology examine the interactions between body and mind. They investigate the effects of stress as well as the effect of placebos and nocebos, which can…

Why do some children confront social challenges with confidence, whereas others experience difficulties? What is the role of child temperament and child emotional dispositions? What is the role of parenting? This project aims to shed light on the mechanisms explaining shyness and confidence in response…

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?

The authors aim to provide insight into the way in which frontline officials in teams employ leadership behaviour aimed at creating public value.

The Netherlands has also announced special measures to fight SARS-CoV-2 coronavirus. These measures have at times caused questionable behaviour, such as stockpiling or charging exorbitant sums for masks. But the intentions behind this seemingly antisocial behaviour are not necessarily bad, says Professor…

How can interdisciplinary and transdisciplinary collaborations between psychology and public administration contribute to the development and application of behavioural insights that improve government functioning and its interaction with citizens?

This article presents a five-step framework for building behavioural cybersecurity strategy to reduce human-related risks affecting organisational security

The studies outlined in this volume explore how connectedness continues to change Africa and how Africa continues to shape the social life of connections.

Do you have to be able to say everything on Twitter and Facebook? Is Instagram morally obliged to remove photos from attacks? Should we allow the terrorist group to recruit new members on the internet?