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

In this opinion article published in World Development, the authors present five research and policy priorities. While it is clear that ‘pluriversal’ designs need to guide the way forward (Kothari et al 2019), defining a set of key pillars can provide direction and purpose across this pluriversality.…

To argue that people can control the relative contributions of goal-driven and stimulus-driven processes to decision-making and action selection.

Promotor: Prof.dr. M. Danhof, Co-Promotor: J. de Jongh

Promotor: Prof.dr. J. den Hertog

This dissertation reports on the pedagogical content knowledge (PCK) of science teachers during a professional development program. This research intended to help us understand why and how teachers make their classroom decisions as they teach science.

This project aims to analyze and increase student motivation and achievement during the first three years of secondary school with an intervention that focuses on development of students’ talents.

Students, first-time buyers, parents with stay-at-home children, migrants in need of a house; the problems in the housing market affect many layers within the society. The lack of housing is a growing problem. How does this affect our behaviour and the way we think about 'living' ? What are the consequences…

This article, by Sara Perlstein, explores how perceived social acceptability shapes whether people talk about risks, showing that risk perceptions and conversations are socially negotiated rather than purely individual.

This thesis focuses on the social dimensions of crane and wetland conservation in rural landscapes in Kenya, Uganda and Zimbabwe.

In our digital society, the internet seems to offer endless possibilities for expressing yourself, gathering information, and making contact with others. The anonymity of the internet seems to give us the freedom to come and go as we please. But what about our online privacy? Should it be dealt with…

LiTechAe: Percussive stone tools related to stone masonry techniques seen through experimentation and use-wear analysis.

On Friday 7 March 2025 Adam Knight successfully defended a doctoral thesis and graduated.

In this article, Annemiek de Looze and Eefje Cuppen, investigated empericallly if and how social conflict leads to institutional change.

View the programme structure for the MSc in Nationalism, Ethnic Conflict and Development at Leiden University: semester breakdown, credits, core and elective courses.

The research reported in this thesis is concerned with the knowledge development of a small sample of experienced science teachers in the context of a broad innovation in Dutch secondary education, including the introduction of a new syllabus on Public Understanding of Science.

A main goal of MSBB research is to address the major bottle-necks in combatting viral diseases: the lack of experimental models that are representative of human pathology and are cost effective and versatile. Viral diseases such as those that cause viral hemorrhagic syndromes or severe acute respiratory…

This project combines an extensive new open database on linguistic distributions, spatial modelling and areal linguistics in order to disentangle the roles of social and environmental factors on the emergence of linguistic diversity patterns of South America.

Insect egg development in a warming world: the eco-evo-devo of embryonic developmental time: What is the genetic basis of developmental time?

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Young people spend a lot of their time online. Even so, we still know very little about how this intensive use of social media influences their development. Brain researcher and Spinoza Prize winner Eveline Crone from Leiden University and media psychologist Elly Konijn (VU) describes what the research…

A major goal of ABS research is to overcome one of the major bottle-necks in metabolomic research: the lack of a high-throughput infrastructure in which thousands of samples can be processed in a standardized and cost-effective way (max. a few tens of Euro’s per sample for a full metabolome profile).…

Investigating neurobiological endophenotypes of Social Anxiety Disorder

The study aims (1) to track progressive changes over time in trainees, and (2) to identify influences that facilitate or impede trainee development. Systematic information will be gathered on the characteristics of trainees and training programs, focusing particularly on trainees’ experiences in clinical…

Ancient Greek was spoken in a large number of different dialects. Although we do not find direct evidence for syllabic liquids in any of our sources, comparative evidence shows that these sounds must have been present in Proto-Greek, and that they were retained until comparatively recently in the prehistory…

Promotor: W.T. de Groot

Learn about the MSc in Nationalism, Ethnic Conflict and Development at Leiden University—including programme structure, core courses, electives, and research thesis opportunities.

We are aiming to develop novel technologies to allow better sample preparation or coupling of analytical methods to (i) analyse ultra small samples, (ii) to analyse more metabolites in a quantitative manner and/or (iii) increase the sample throughput.

Chat with a current MSc student in Nationalism, Ethnic Conflict and Development at Leiden University to gain firsthand insights into the programme, student life, studying in The Hague, and the application process.

This project explored the role of material culture, in casu painted plaster and its technologies, in expressing dynamic social identities and in forging complex interwoven human relationships in the context of the Middle to Late Bronze Age of the Aegean and East Mediterranean.

An archaeological case-study of the Pointe des Châteaux, La Désirade and Les Îles de la Petite Terre micro-region, Guadeloupe, F.W.I.

This open access book brings together an eclectic cast of scholars in related disciplines to examine ageing in the Soviet Union, covering the practice of geriatrics, the science of gerontology, and the experience of growing old. Chapters in the book focus on concepts and themes that analyse Soviet ageing…

This article introduces the concept of Repertoires of Comparison (RoCs) to explain how certain comparisons become deeply embedded in social and political life.

It’s not a regular occurrence at Leiden University: two professors giving their inaugural lecture on the same day. Berna Güroğlu and Ellen de Bruijn specialise in related disciplines: they both research the influence of social context on processes in the brain – Güroğlu in adolescents and De Bruijn…

Institute of Environmental Sciences, Faculty of Science, Leiden University

Explore how to apply for the MSc in Nationalism, Ethnic Conflict and Development at Leiden University: step-by-step guidance including application steps via Studielink, admission criteria, deadlines, documents and next steps.

To gain more insight into the evolutionary development of orchid flowers and fruits, the orchid species Erycina pusilla was studied. The evolutionary origin of the median petaloid sepal, the callus on the labellum, and the stelidia was studied.

How can we assist Universitas Indonesia's department of International law to improve their educational and applied research programs on Transnational Law, Asset Recovery and International Investment Arbitration, with an eye on Indonesia’s security and rule of law reform agenda and the needs of the…