How and when do interest groups organise themselves as transmission belts and what are the implications for their political relevance among public officials involved decision-making processes?

L1-oral language education is widely regarded as essential for developing communicative competence and critical thinking. However, as a research domain it remains relatively underexplored. The aim of this study was to identify effective elements and challenges within oral language education and to contribute…

This study explores public leaders’ organizational learning orientation in the wake of a crisis. More precisely, we study the association between public leaders’ public service motivation and their learning orientation (instrumental versus political).

Plant architecture has distinct forms in different plant species, but also within a species the finalarchitecture of a plant is determined by its gradual development and changes therein induced by environmental conditions during the plant’s life cycle.

On 19 December 2019, Reza Eftekhar defended his thesis 'The Role of the Domestic Law of the Host State in Determining the ratione materiae Jurisdiction of Investment Treaty Tribunals: The Partial Revival of the Localisation Theory'. The doctoral research was supervised by Prof. E. de Brabandere.

Promotor: Prof.dr. J.N. Kok, Co-promotor: F.J. Verbeek

On 7 November 2018, Catherine Harwood defended her thesis 'Navigating Between Principle and Pragmatism: The Roles and Functions of Atrocity-Related United Nations Commissions of Inquiry in the International Legal Order'. The doctoral research was supervised by Prof. dr. L.J. Van den Herik and Prof.…

This research delves into the unique cultural approach of the Tenggerese people, an Indigenous community in East Java, Indonesia, regarding elderly care. It focuses on their traditional practices of bakti (‘filial piety’) and sayan (‘mutual aid’), deeply ingrained in the community's lifestyle and va…

This book aims to unravel some of the mysteries surrounding this exceptional group of larger-than-life Bronze Age blades.

This research focuses on the (Quantum) Dynamics (QD) of the reactive scattering of H2 from metal surfaces.

Drawing is one of the most unique human behaviours. Like language, drawing is a mode of communication and a cognitive tool that from an early age allows us to interact with others. Is the early development of drawing skill influenced by the social environment? If so, how?

Promotor: Prof.dr. P. Hooykaas, Co-promotor: Dr. R. Offringa

In this article, Amandine Lerusse, investigates how the order of performance information affects local politicians’ issue prioritisation decisions.

The outermost layer of the skin, the stratum corneum (SC), is responsible for the skin barrier function, protecting the body from pathogens, chemicals and other unwanted substances from the external environment. The SC lipid matrix provides the only continuous pathway through the SC and is considered…

The lipids in the uppermost layer of the skin, the stratum corneum (SC), play an important role in the skin barrier function. The three main SC lipid classes are ceramides (CER), cholesterol and free fatty acids.

This thesis has shed light on some of the ways in which the local electrolyte composition can differ from the bulk and how these changes in the local reaction environment can determine the activity and/or selectivity of two important electrocatalytic reactions, namely, electrochemical CO2 reduction…

Promotor: P. J. J. Hooykaas Co-promotor: B. S de Pater

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.

This project is funded by the Dutch Cancer Society. The project will be part of an ongoing research line aimed at identifying mechanisms of cancer therapy resistance and metastasis. In this project, it will be investigated how the Grainyhead family of transcription factors controls therapy response…

In this conversation-analytic study, the authors analyze conversations between researchers from different disciplines and community members to examine relationship building in real life. This is an open access article under the Creative Commons By license.

Together with Pepijn Tuinier and Thijs Brocades Zaalberg, Sebastiaan Rietjens researched the role of trust in an international intelligence cooperation.

This dissertation reports on the beliefs and perceptions of Chinese and Dutch university teachers regarding the role of research in university teaching and how these beliefs and perceptions can be explained by their cultural, institutional and individual background characteristics

Source: International Journal of Cosmetic Science, Volume 37, Number 1, pp. 148-148 (2015) ISBN: 0142-5463

The starting hypothesis of the project is that secrecy is not always inimical to democratic governance as conventional wisdom has it.

Source: Journal of Investigative Dermatology, Volume 134, pp. S44-S44 (2014) ISBN: 0022-202X

The level of congruence between parties and their voters can vary greatly from one policy issue to another, which raises questions regarding the effectiveness of political representation. We seek to explain variation in party–voter congruence across issues and parties.

Can epigenetic changes explain associations between early life stress and health outcomes?

The skin barrier function is provided by the stratum corneum (SC). The lipids in the SC are composed of three lipid classes: ceramides (CERs), cholesterol (CHOL) and free fatty acids (FFAs) which form two crystalline lamellar structures. In the present study, we investigate the effect of CER chain length…

Atherosclerosis is the most prominent underlying pathology of cardiovascular disease and an important cause of major adverse cardiovascular events.

This collection includes six short policy-focused contributions exploring how legislation and policy on counter cyber terrorism unfold at the national level in the United States, the United Kingdom, China, Russia, France, and at the regional level of the European Union.

Leiden psychologist Wilco van Dijk and communication scientist Jaap Ouwerkerk of VU University Amsterdam published a book about the emotion Schadenfreude. The authors describe what the emotion Schadenfreude really is, when people experience the emotion, and what role it plays in social relations.

The following people are part of the Academia in Motion Steering Group.

Natural history collections provide invaluable sources for researchers with different disciplinary backgrounds, aspiring to study the geographical distribution of flora and fauna across the globe as well as other evolutionary processes.

The routine assumption that Upper Palaeolithic early modern humans in Europe were regular fire users who produced fire at will has never been tested against the archaeological record. Utilizing literature, database and microwear analytical approaches, this project seeks to establish the role and forms…

The partial University Teaching Qualification (Basis Kwalificatie Onderwijs, BKO) certificate provides recognition that a PhD candidate has gained knowledge and experience as a teacher.

Human vocal communication and music perception represent advanced cognitive skills, seemingly innate and universal. These faculties encompass a range of perceptual and cognitive abilities. Cross-species research sheds light on the origins of musicality by investigating whether these traits are shared…

On 1 December 2020, Bernadette Muscat defended her thesis 'Insolvency Close-out Netting: A comparative study of English, French and US laws in a global perspective'. The doctoral research was supervised by Prof. M. Haentjens and Prof. B. Wessels.

On 9 January 2019, Willem van der Muur defended his thesis 'Land rights and the forces of adat in democratizing Indonesia'. The doctoral research was supervised by Prof. dr. A.W. Bedner and Prof. dr. J.M. Otto.

Explore the MSc in Nationalism, Ethnic Conflict and Development at Leiden University: study governance and diversity, choose elective seminars, complete a thesis and optionally an internship.

The following dissertation reconstructs Paul Natorp's philosophical psychology. It argues that psychology's main object is the lived experience of concrete subjects, understood as a transcendental structure of logical-reflexive conditions for the recognition, appropriation, and evaluation of objective…

For the first time, a group of international and interdisciplinary researchers led by Karline Janmaat and her former MSc Student Chirag Chittar, have tested the several hypotheses on music simultaneously in a modern foraging society during their daily search for tubers – their staple food. They found…

On 23 juni 2019, Zygimantas Juska defended his thesis 'The Role of Collective Redress Actions to Achieve Full Compensation for Violations of European Union Competition Law'. The doctoral research was supervised by Prof. dr. T.R Ottervanger.

Promotor: Prof.dr. R.M.H. Merks

Streptomyces are multicellular, Gram-positive bacteria in the phylum of actinobacteria which produce a high amount of bioactive natural products of which the expression is tightly coordinated with the life cycle.

In this project, the hypothesis that language contact crucially impacts the development of spatial grammar and phonology is investigated.

This dissertation concerns the role of analogy in Kant’s “Critique of the Teleological Power of Judgment”, especially the role of analogy for the formation of the concept of a natural end (Naturzweck). A ‘natural end’ is a ‘regulative concept’ of the reflective power of judgment, that is, a heuristic…

Why do certain incidents of serious violence end lethally whereas others do not? What role do personal characteristics of offenders and victims play and how do immediate situational factors influence outcomes?

In this dissertation, electrophysiological (EEG) and behavioural measures are used to investigate how allophonic tonal variants and sub-phonemic features are processed during Mandarin and Dutch speech production, visual processing of written words and reading aloud.

On 20 October 2021 Michael Ramsden defended the thesis 'The Role of the United Nations General Assembly in Advancing Accountability for Atrocity Crimes: Legal Powers and Effects'. The doctoral research was supervised by Prof. N.M. Blokker.

Should the law and norms applicable to armed conflict include a distinct category covering the transition from armed conflict to peace, jus post bellum, and if so what are its characteristics?