The effect of the pilot Teen courts will be evaluated by means of a programme, process and effect study based on qualitative research methods.

The availability of indicators based on social media has opened the possibility to track the online interactions between social media users and scholarly entities.

Valérie Pattyn, Assistant Professor at Leiden University, researched

Leiden political scientists Yvonne Kleistra and Niels van Willigen have advised the United States State Department as to how to evaluate its foreign policy. Point of departure was a scientific model that Kleistra and Van Willigen have developed on the basis of their work for the Dutch Foreign Affairs…

To what extent does the Law Ombudsperson for Children achieve its goals as intended by the legislator when introducing the law?

Promotor: R.D. Gill, F. Taroni

This research evaluates the Youth Act. It will provide an overview of how the transition takes place, whether the transformation process develops in the right direction and whether the legal safeguards are functioning properly.

Ideology and Actions

The Modern Migration Policy Act aims to ensure that the admission of regular migrants is effective and manageable.

Creating and processing written standard evaluations and automatic processing of written examinations

Since its inception, the Honours Academy has been a ‘testing ground’ for innovative education. An important and related policy focus is sharing the acquired knowledge, so that the benefits gained from this testing ground can also be applied in other places. A third focus area is inclusiveness, given…

Sarah Giest, Assistant Professor at Leiden University, and Ishani Mukherjee researched the topic of 'Behavioural Insights Teams (BITs) and Policy Change: An Exploration of Impact, Location, and Temporality of Policy Advice'.

In 2012, the Dutch National Coordinator for Security and Counterterrorism and the Dutch Probation Service launched a reintegration project for offenders on probation or parole who were (suspected to be) involved in jihadist extremism or terrorism. The initiative's primary goal was to reduce the chance…

This project aims to situate the current policy concept of ‘valorization of scientific knowledge’ in historical and epistemological perspectives. Conceptual understanding of the utility of scientific practices is developed in dialogue with historical analyses of the politics of knowledge in European…

Various departments of the university have worked on developing the institution’s environmental policy plan: het Milieubeleidsplan Universiteit Leiden 2016-2020.

How is the development of physiological responses to social evaluation in adolescence affected by other normative developments, such as pubertal, socio-cognitive and psychosocial development? Are social anxiety and public speaking anxiety associated with characteristic patterns of stress responses…

This Thesis describes the design, synthesis and evaluation as glycoprocessing enzyme inhibitors of focused libraries of iminosugars.

Historiography of science is in its current self-image a non-evaluative discipline. Its main goal is to understand past processes of knowledge formation on their own terms. In the last few decades this approach has greatly improved our understanding of the phenomenon of science. Yet, something strange…

What does it mean to do public policy ethics today? How should philosophers engage with ethical issues in policy-making when policy decisions are circumscribed by political and pragmatic concerns? How do ethical issues in public policy differ between areas such as foreign policy, criminal justice, or…

YAL raises its voice on policy matters.

Development of scenarios for 2050 detailed in an IO framework

The Scientific Research and Documentation Centre (WODC) has commissioned the Institute of Immigration Law to evaluate the Modern Migration Policy Act. The purpose of this law was to develop a modern, selective and innovative admission policy for legal migration, which is welcoming for economically desirable…

Public policy is often the subject-matter of pervasive and deep moral disagreement. Moral disagreement, understood as the difference and opposition between principled moral arguments, can and does occur between policy professionals, different political parties and individuals or groups that compose…

This article presents an in-depth evaluation of a specialized reintegration initiative within the Dutch Probation Service focused on individuals convicted or suspected of involvement in terrorism.

European policy affects our lives: from air quality to the frequency of a bus service. Leiden researchers analyse how the European Union functions, how countries apply European policy and whether this policy actually provides solutions and delivers.

This paper develops a novel theoretical framework for the conduct of postmortems after major foreign policy surprises for the European Union and its member states.

After an initial suggestion of a move toward Israel, India’s Prime Minister Modi has signaled a significant recalibration of his government’s engagement with the Middle East region. Now, India seems to be prioritising strong ties with the Gulf states.

Leiden experts research ways in which European legislation is converted into national legislation. Knowing how this process works can inspire policy-makers trying to achieve their aims while abiding to Europan legislation.

Science, Institute of Environmental Sciences (CML)

Are there significant differences among the environmental impacts resulting form the production of Asian aquaculture commodities and what are the main causes for these?

The department of CADS adheres to the Leiden University Research Data Management Regulations and to the international principles for FAIR data.

Social and Behavioural Sciences, Political Science

Criminology and Security Policy is a challenging Dutch-taught master's programme at the renowned Leiden Law School of Leiden University. This programme – with its multidisciplinary perspective - focuses on the security issues in society and the development of effective and legitimate policy in order…

And its application in deciphering hominin diets in palaeolithic eurasia

Promotor: J. van der Greef, T. Hankemeier; Co-promotor: H.A. van Wietmarschen

Identification of the products or product groups that have the greatest environmental impact from a life-cycle perspective using environmentally extended input-output analysis.

Within the Sociology of Policy in Practice specialisation you will develop a research project on prevailing policy problems.

Great apes and the right to health

Development of indicators to assess decoupling of economic development and environmental pressure in the EU-25 and AC-3 countries.

Think tanks have proliferated in most Western democracies over the past three decades and are often considered to be increasingly important actors in public policy. Still, their precise contribution to public policy remains contested.

This research paper was requested by the European Parliament's Committee on Civil Liberties, Justice and Home Affairs. It was published by the International Centre for Counter-Terrorism (ICCT) in The Hague. Leiden University is one of the participating institutes in this publication and our researcher…

An international comparative study of the Netherlands, Belgium, Denmark, France, Germany, the United Kingdom and the United States.