In meta-analysis, heterogeneity often exists between studies. In such cases, it is essential to investigate the sources of heterogeneity and understand the relationship between effect size and study characteristics (i.e., moderators).

How were the Russians, under early modern conditions, able to incorporate this distant, undeveloped and, because frequent nomadic attacks, dangerous territory? And what role did the Kolyvan-Voskresensk plants play in this process?

Promotor: G.P. van Wezel, Co-promotor: Y.H. Choi

On Thursday 15 February 2018, the Hazelhoff Centre for Financial Law welcomed Roel Janssen, financial and economic journalist and writer, for the fifteenth Hazelhoff Guest Lecture.

What are the origins of the Islamic Empire? And what was daily life like there? Two new Ted Ed animations answer these questions in simple language. Arabists Petra Sijpesteijn and Birte Kristiansen explain what the process of developing the videos was like.

‘Leiden University's code of conduct on Integrity is comprehensive and complete,' says Zeger van der Wal, Professor by Special Appointment in Public Administration at the Faculty of Governance and Global Affairs. He is the holder of the Dales chair, funded by the CAOP. Van der Wal's specialist field…

Promotores: W.T. de Groot, M. Tchuenté, Co-promotor: J.P. Cheylan

Tremendous amounts of data are generated in scientific research each day. Most of this data has more potential than we are using now, says Katy Wolstencroft, assistant professor in bioinformatics and computer science. We just need to integrate and manage it better.

Jingxian Wang, PhD at ICLON, examined technology integration in primary and secondary education. Defence on 6 July.

A former employee of Leiden University breached academic integrity. This is the conclusion of the University’s Academic Integrity Committee in its recommendation to the Executive Board on 11 January 2019.

At the beginning of March 2020, the Dutch Taskforce for Applied Research (SIA) awarded Daan Weggemans of the Institute of Security and Global Affairs a research grant. The Taskforce is part of the Netherlands Organisation for Scientific Research (NWO).

The Executive Board has adopted a new Code of Conduct on Integrity for staff. This new code encompasses all the existing regulations within Leiden University, including in the field of research, behaviour towards students and purchasing. 'This Code of Conduct is a very clear statement,' commented Rector…

Does a shared idea of the ‘public servant’ exist in Europe? Sager, Overeem, and others explore.

On Friday 12 November Professor of Palliative Medicine Yvette van der Linden will give her inaugural lecture entitled: ‘Timeless’. How do we spend our time if illness cuts it short? According to Van der Linden much stands to be gained in the area of care during this last phase of life. Among other things,…

On Monday the 8th of December, the annual symposium of the IBL will be organized at the main building of the LUMC Leiden. This year’s theme is “Integrative Biology towards Healthy Communities”.

Zeger van der Wal, Professor by special appointment Ien Dales chair at the Institute of Public Administration wrote an opinion piece in Dutch journal Binnenlands Bestuur on the changing relation between government and society and how this affects integrity.

Dr. Moritz Jesse, associate professor of European Law at the Europa Institute of the University of Leiden, spoke at the Social integration in EU law: Contents, limits and functions of an elusive notion – Seminar, which was organized as a part of the MOVES – Free Movement of Workers & Social Security…

Dr. Moritz Jesse, associate professor of European Law at the Europa Institute Leiden, was sharing his thoughts on the transition from asylum seeker to refugee from a perspective of immigrant integration in Prague.

On 28 July 2020, the Netherlands Board on Research Integrity (LOWI) concluded that a former employee of Leiden University breached several rules of scientific integrity. This conclusion is in accordance with the findings of the Academic Integrity Committee (CWI) of the University in its advice to the…

Moritz Jesse, associate professor of EU Law, was invited to give a talk about Migration, Asylum, and Integration at the 5th Ruppin International Conference on Immigration and Social Integration.

During an Erasmus+ research stay in Rwanda, Frederik Behre gave several guest lectures to bachelor's and master's students enrolled in the various law programmes of the University of Rwanda. In the course of his four-week research stay, Behre organised a series of highly interactive lectures with the…

The first year students of Bachelor Security Studies finished their final block with the course Integrated Project 1. As part of the programme's teaching philosophy ‘Explore, Understand, Do’, students were required to combine the knowledge and understanding they’d gathered throughout their first year,…

The first year students of Bachelor Security Studies finished their final block with the course Integrated Project 1. As part of the programme's teaching philosophy ‘Explore, Understand, Do’, students were required to combine the knowledge and understanding they’d gathered throughout their first year,…

A former employee of Leiden University breached academic integrity. This is what the Academic Integrity Committee (CWI) of the University concludes in its advice to the Executive Board of the University on 11 November 2019. The Executive Board has taken various steps.

On 25 February 2021, the UN High Level Panel on International Financial Accountability, Transparency and Integrity for Achieving the 2030 Agenda (FACTI panel) has adopted its final report, to which Valentina Carraro (GTGC) and Hortense Jongen (VU Amsterdam) have contributed by writing a background paper…

In view of the growing interest in ethno-economics and development in Indonesia, an International Promotive Seminar was organised on March 28, 2015 for prospective students of the Master Course on Integrated Microfinance Management at the Faculty of Economics and Business (FEB), Universitas Padjadjaran…

The role of material production as a driver of environmental impacts is increasing, which calls for a better understanding of global material flows. This thesis explores the role of in-use stocks of products, buildings and infrastructure as a key driver of global material demand and discusses the implications…

Awareness of the functioning of a regional integration process and the benefits it can offer is crucial for its success, as the European Union experience has proven.

Dr. Moritz Jesse, Associate Professor of European Union Law at the Europa Institute Leiden, presented about the legal transition of migrants from outsiders to insiders at the 26th International Conference of Europeanists, which took place in Madrid in June.

On 21 April 2021, Armin Cuyvers lectured students and staff of the University of Nairobi on EU law and comparative regional integration.

On 24 and 25 September 2021, the 20th Austrian European Law Day took place at the University of Liechtenstein on the topic of

The euro crisis of 2010 has shown that the Eurozone lacks economic cohesion and that EU fiscal integration is needed for a stable euro. But can this integration exist without clashing with the national constitutional interests of the Member States? Frederik Behre looked into this matter in his PhD-thesis…

On 6 June, Armin Cuyvers lectured students and staff of the University of Nairobi on EU law and comparative regional integration

On 19 April 2022, Armin Cuyvers and Frederik Behre gave an online guest lecture for students of Los Andes University in Bogotá covering the topics of comparative regional integration and specifically the EU experience.

Leiden University is happy to announce that it has won a prestigious Jean Monnet grant for a Centre of Excellence. The Centre, called CompaRe, focusses on comparative regional integration.

Yvonne Erkens, Associate Professor at the Department of Labour Law and Social Security co-organised a symposium entitled ‘Misdirected allegations of breaches of research integrity’ with Frits Rosendaal (LUMC) and Ivan Oransky (Retraction Watch) at the World Conference on Research Integrity. The conference,…

Moritz Jesse, associate professor European Law at the Europa Institute Leiden, delivered a lecture on the Social integration of third-country nationals.

Moritz Jesse, Associate Professor of EU Law at the Europa Institute, has published his book, “The Civic Citizens of Europe: The Legal Potential for Immigrant Integration in the EU, Belgium, Germany, and the United Kingdom”.

Research integrity is vital for good research. How to make it an inseparable part of research culture takes more than having rules and procedures in place. The EU Horizon 2020 project Standard Operating Procedures for Research Integrity (SOPs4RI) has found three areas and nine topics of focus in the…

Why are highly skilled migrants not perceived as migrants in scholarly, policy, and public debates, and to what extent is their settlement process different?

Composer, bass player and ACPA alumnus Ilya Ziblat Shay presented a paper at the Music Weekend and Midlands New Music Symposium, organised by Nottingham Forum for Artistic Research.

From 28 October to 2 November, Armin Cuyvers was invited by the University of Nagasaki to lecture on EU integration and Brexit.

On Monday December 17th the ILS 2.0, SOLID project will hold an afternoon Symposium on ‘Challenges to European Integration: welfare states and free movement in the EU’ from 11.45 – 16.30. The symposium will take place in room A.014 at the Kamerlingh Onnes Building (Steenschuur 25) of Leiden Law Scho…

How do teachers conceptualise, develop and implement an effective CLIL practice?

In the course of 2020 the Faculty of Archaeology was bolstered by some new staff members. Due to the coronavirus situation, sadly, this went for a large part unnoticed. In a series of interviews we are catching up, giving the floor to our new colleagues. We kick off with Dr Tuna Kalayci, who joined…

In the course of 2020 the Faculty of Archaeology was bolstered by some new staff members. Due to the coronavirus situation, sadly, this went for a large part unnoticed. In a series of interviews we are catching up, giving the floor to our new colleagues. We kick off with Dr Tuna Kalayci, who joined…

Last week, third-year students of the Bachelor Security Studies concluded a seven-week intensive programme with a two-day conference. They presented their findings in front of a full lecture hall and in the presence of the client for whom they worked on a complex security issue. Tutor Saskia Postema:…

Commentators and scholars view both social media and cities as sites of fragmentation. Since both urban dwellers and social media users tend to form assortative social ties, so the reasoning goes, identity-based divisions are fortified and polarization is exacerbated in digital and urban spaces.