The Faculty of Social and Behavioural Sciences brings together high-quality research and outstanding mono- and multidisciplinary teaching.

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…

Irna Hofman defended her thesis on 10 January 2019.

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.

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

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.

Jaroslaw Kantorowicz and Rok Spruk examine the contribution of institutional reforms to economic growth.

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

The World of the Fullo takes a detailed look at the fullers, craftsmen who dealt with high-quality garments, of Roman Italy. Analyzing the social and economic worlds in which the fullers lived and worked, it tells the story of their economic circumstances, the way they organized their workshops, the…

On 15 February 2022, Morshed Mannan defended the thesis 'The Emergence of Democratic Firms in the Platform Economy: Drivers, Obstacles, and the Path Ahead'. The doctoral research was supervised by Prof. I.S. Wuisman and Prof. J.A.A. Adriaanse.

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

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

Does knowledge of environmental performance change farmer's behaviour?

Our mission: a positive impact. Our vision: community. By involving the world around us in our education and research we make a positive impact. We do this by applying Open Science.

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…

As Bolivia reels from the collapse of the government in November 2019, a wave of social protests, and now the impact of Covid-19, this book asks: where next for Bolivia?

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To what extent is sound a stressor to fish? And are behavioural and physiological phenotypes equally sensitive to disturbance by noise pollution?

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.

The Faculty of Social and Behavioural Sciences provides its ca. 5000 students with a thorough education in the social and behavioural sciences. The student population is very diverse and international in nature.

This ecological community has long been known to affect host biology, and their diverse roles have been further clarified in recent years following numerous studies of animal:microbiota interactions in diverse systems.

Most degree programmes at the Faculty of Social and Behavioural Sciences are based in the Pieter de la Court building on the Wassenaarseweg in Leiden. Besides this location, some degree programmes are based in The Hague, at Campus The Hague’s Wijnhaven building.

Door het coronavirus is een groot deel van de economie stilgevallen. De regering heeft sommige activiteiten verboden, veel bedrijven hebben vrijwillig op de pauzeknop geduwd. Wie bepaalt wanneer we weer terugschakelen naar 'normaal' en hoe zou dat proces moeten verlopen?

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

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…

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

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?

Promotor: Prof.dr. M.K. Richardson

Can behaviour in an online economic game be understood as a representation of radicalisation propensity?

How can we, together international experts, define future needs of R+D contributions for innovations in the field of risk-based management of chemicals and products in a global perspective using alternative testing strategies to minimize animal tests?

This article describes the creation of an app that can help raise climate awareness and the action globally.

It is sufficiently plausible that the professor from the Faculty of Archaeology exhibited the ‘inappropriate and unacceptable behaviour’ detailed in the advice of the investigating committee. That is is unless the professor provides counter-evidence. This is the conclusion of the Subdistrict Court…

To study relationships between emotion regulation after negative and traumatic life events and psychopathology. Within this context, another goal is to develop and validate emotion regulation questionnaires.

What is the size and composition of the Dutch urban mine? How will the urban mine develop over time, and how can it be used as a source of materials as part of a circular economy?

What is the optimal way to utilise intermediate assessment in improving study behaviour and study success?

The Faculty of Social and Behavioural Sciences brings together high-quality research and outstanding teaching.

The Faculty of Social and Behavioural Sciences brings together high-quality research and outstanding mono- and multidisciplinary teaching.

On 22 April 2022, Jan Aart Scholte presented his research to the Leiden Political Economy Group (L-PEG) and to GTGC's thematic area on Economy during a research seminar. The title of the presentation was 'Inequality and Legitimacy in Global Governance'.

On 8 April 2022, researchers of the seed grant project on 'How to Finance Climate Change Policies' presented their work to the Leiden Political Economy Group (L-PEG) and GTGC's Economy and Ecology thematic areas during a research seminar. The title of the presentation was 'How to Finance Green Investments?…