The research study presented in this dissertation focuses on issues pertaining to the reliability, generalizability, and validity of authentic performance assessments of teachers.

Why are not all children equally responsive to variations in the social environment?

Hidden behind the Academy Building on the Rapenburg lies the oldest botanical garden of the Netherlands and one of the oldest gardens in the world. Founded in 1590 and expanded in the following centuries, the Hortus is the green heart of Leiden.

Travel back in time and learn about how the University has changed over the centuries.

Intelligence of the crowd, or in other words, intelligence of a large, random collective, exists mostly in social media platforms such as twitter. The collective does not comprise (at least not necessarily) experts on crises, just regular people mostly. Nevertheless, there is valuable intelligence to…

Lysosomal storage disorders (LSDs) are a group of orphan diseases characterized by lysosomal dysfunction or impaired lysosomal catabolism and affect collectively about 1 in 5000 live births.

The National-Socialist Movement in the Netherlands - the NSB - remained the only legal party in the Netherlands during most of the Second World War.

On the 11th of June, Umberto Selva successfully defended his doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Umberto on this great result.

During embryonic growth, cells proliferate, differentiate, and collectively migrate to form different tissues at the right position and time in the body.

‘Hey, look! There’s Rembrandt van Rijn! And isn’t that Princess Beatrix?’ Keep your eyes peeled during the 444 manhunt on 29 June and you may just bump into a host of celebrities from the past and the present.

The Oral History project, as part of the Tell Balata Archaeological Park project, published an arabic-english booklet of local stories about the site of Tell Balata. An archaeological site near Nablus (West Bank).

Proceedings of the 25th International Congress of Roman Frontier Studies 4

The field and the classroom invites ethnographers to engage with critical and engaged pedagogies. Breaking down the barriers between fieldsite and lecture hall, this research cluster aims to interrogate the structures and values that shape anthropological and sociological education today.

Oude UB, Rapenburg 70, 2311 EZ, Leiden

At our Summer School on Philology and Manuscripts from the Muslim World we offer graduate students and researchers lectures by experts, practical classes, and hands-on experience with manuscripts from Leiden University’s famous collection of oriental manuscripts.

The Hortus botanicus Leiden has one of Europe’s largest collections of living plants from the Asian region. This rich resource is no longer the sole domain of botanists. Extraordinary professor Paul Kessler studies what the Hortus botanicus Leiden can offer research, higher education and the public…

The centralized LUMC biobank department helps to implement rules and regulations regarding informed consent, collection, storage and distribution of biomaterials and data for biobanking.

Every PhD candidate has access to MS Teams ‘LACDR PhD group’. This site is specially for PhD candidates of LACDR. We strive to collect here all relevant PhD information and to stimulate the collaboration and communication in the LACDR PhD community.

The database is created by the Centre for Public Values and Ethics of the Institute of Public Administration. Its aim is to collect and describe scandals involving (supposed) corruption and lacking integrity of public officials in the Netherlands between 1945 and the present.

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