This thesis discusses the physical and chemical processes than influence the composition of forming planets.

Promotor: J.A. Bouwstra Co-promotor: A. El Ghalbzouri

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

The program group Learning and Behavior Problems in Education: Challenges and Solutions strive to find solutions to the learning and behavior challenges faced by preschool and elementary-school children, youth, and young adults in education. In doing so, the group focuses on cognition and behavior and…

In this project we study the properties of statistical- and rule-learning mechanisms in relation to the acquisition and evolution of language. We ask to what extent these mechanisms are unique to humans - or to human language - by comparing the acquisition of vocal structure in two species: humans (infants)…

Jifeng Liu defended his thesis on 2 February 2017

This thesis examines the complexity of legislative decisions within the EU, with a specific focus on the Council of the EU.

Lipid formulations have demonstrated strong potential for nucleic acid delivery,particularly with the success of COVID-19 vaccines. Despite these advances, manyaspects of lipid formulations remain unclear.

Doctoral Thesis

This dissertation provides a grammatical description of Ghomara Berber, a Berber language spoken in North-West Morocco by about 10.000 people. The grammar consists of a description of the phonology, the morphology and the syntax. In the appendices a number of texts and a wordlist are included. The data…

Vaccination via the skin or the mucosae

Robert Pee, William Michael Schmidli (Eds.) This book posits that democracy promotion played a key role in the Reagan administration’s Cold War foreign policy.

This study stresses the importance of investigating vitamin D deficiency in every community to better understand the deteriorating effect that sociocultural practices may have had on health.

Comparing Mycenaean tomb building with labour and memory

Aristotle's Poetics: the oldest and most influential work of western literary theory.

It is the aim of this project to better understand how the physical properties of lipids influences the structure and overall barrier function of the skin.

This PhD-thesis presents a study on micron-sized particles, so-called colloids. By controlling the chemical and physical properties of these particles, such as the interparticle interaction and the particles’ shape, colloids can act as building blocks that self-assembly into larger structures.

The Vallesian, 11.1-9 Ma, was a special time in the Vallès-Penedes basin near Barcelona, where a biodiversity hotspot existed. Europe had a subtropical climate, with rhinos, forest giraffes, lions, hyenas, flying squirrels and primates.

HomininSpace is an agent based modelling and simulation system in which fluctuating carrying capacity is the key attractor for hominin dispersal. A parameterized and spatially explicit reconstructed palaeo-environment models available energy in the form of secondary biomass using reconstructed climate…

Annemarie van Stee defended her thesis on 21 June 2017.

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.

Arabic and its Alternatives discusses the complicated relationships between language, religion and communal identities in the Middle East in the period following the First World War.

On Tuesday 30 April 2024 Jonny Russell successfully defended a doctoral thesis and graduated.

On February 20th, Gulnaz Sibgatullina succesfully defended her doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Gulnaz on this great result.

In this article, Marieke Liem and Kim Moeller revisit Goldstein’s framework on the drugs-violence nexus

This dissertation focuses on teacher professional learning and collaboration in secondary schools.

Understanding the water use of power production is an important step to both a sustainable energy transition and an improved understanding of water conservation measures. However, there are large differences across the literature that currently present barriers to decision making.

In this thesis, I focused on studying the above- and belowground interactions of J. vulgaris from a plant-soil feedback (hereafter, PSF) perspective. I investigated the temporal variation of negative PSF and examined the effects of root-associated bacteria on plant performance and aboveground herbiv…

From the smallest level of interaction among families and close friends, over the meso-level of schools, shops, churches, religious communities and companies, to the highest level of nation-states and international organisations: Language Policy and Planning (LPP) is everywhere!

This book presents an archaeological overview of the presence and development of Egyptian material culture in the context of Augustan Rome.

In this article, Bart Schuurman and Sarah Louise Carthy conduct further research into the understanding of the causes of terrorism by assessing differences and similarities between left-, right- and jihadist extremists and terrorists. The article draws on the Analysen zum Terrorismus, one of the most…

Accurately recognising others’ emotions is a fundamental social skill, relevant for navigating the social world from early childhood. Children’s ability to do represents a milestone in their socioemotional development and is associated with a number of important psychosocial outcomes. Many individual…

In higher education intermediate assessment is used in different ways. In her PhD research Indira Day shows that lecturers should be able to continue to have the freedom to use various test forms, because not one type of test is optimal.

The rapidly increasing commercial application of metallic nanoparticles within products will inevitably enhance the amount of NPs being released into soil.

A new publication on changes in the relationship between news and their public in Chile

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…

The study by Tahir Abbas and Liselotte Welten reveals a structural and nuanced understanding of how the question of Salafism in the Netherlands has become an increasingly discussed phenomenon and the types of threats that ought to give genuine concern to security, intelligence and policing services.

Promotor: Prof.dr. R. Verpoorte, Co-promotores: Dr. Y.H.Choi, N.R. Mustafa

On 14 November, Ilya Kokorin defended the thesis 'Intra-group financing and enterprise group insolvency: problems, principles and solutions'. The doctoral research was supervised by Matthias Haentjens and Reinout Vriesendorp.

Our university community is the heart of our academy. It is very important for Leiden University that our staff and studentsenjoy coming here to work and study and are able to carry out their activities without any hindrance.

Children with autism spectrum disorder experience serious challenges in social functioning, which threatens their development in many areas of functioning.

Die Aufführungspraxis italienischer Instrumentalmusik in der Auseinandersetzung mit Vokalmusik und Text: Quellen und moderne Umsetzung

This study offers a new view on public services in the early modern Low Countries and answers the following questions: who provided public facilities in urban communities and in which ways did public amenities change in the period between 1500 and 1800?

Marine sponges are important members of reef ecosystems, as they play ecological roles that are essential for the health of the reef.

On the 4th of September, Elisabeth J. Kerr successfully defended a doctoral thesis. Leiden University Centre for Linguistics congratulates Elisabeth on this achievement!

Atherosclerosis, in particular rupture of atherosclerotic plaques, is the underlying cause of most heart attacks or strokes and is the leading cause of death worldwide.

The authors of the article expect automation to improve accuracy in less complex programmes but worsens with increased complexity

In order to test theoretical expectations concerning individual decision-makers' search in response to negative performance, Joris van der Voet conceptually disentangles problem-defining and solution-generation as two distinct search objectives.

Een bouwhistorische studie naar kapconstructies op Leidse huizen tusen 1300 en 1800

This book presents a comprehensive description of the grammar of Logba, one of the fourteen Ghana-Togo Mountain (GTM) languages spoken by approximately 7,500 speakers on the South-Eastern frontier of the Ghana-Togo border. It is the outcome of fifteen months research in Logba speaking communities.