In 2022-2023 eight (teams of) teachers received a Grassroots or Grass shoots grant. Here you can read about their projects.

As of April 2022, Mark de Rooij has been appointed SAILS Professor AI and Data Theory at the Institute of Psychology. This position will enable him to contribute to the goal of the interdisciplinary programme: to build on and expand the current expertise on AI within Leiden University, working from…

Eiko Fried has been appointed professor of Mental Health & Data Science. This combined chair neatly fits the view that understanding complex mental health issues require the integration of statistical methods. ‘The idea that mental health problems are monocausal entities with simple etiologies is no…

Qualtrics survey software allows you to create online questionnaires for your research. It provides various question types, branch logic and the possibility to export results to statistical software, such as SPSS.

Drop-in session

For the academic year 20265-2027, five (teams of) teachers will receive a Grassroots or Grass shoots grant. Here you can read about their projects.

The confidential counsellor for research integrity is your first port of call for any questions or situations relating to research integrity, or if you have suspicions about a current or former employee of Leiden University. All your meetings with the confidential counsellor are confidential.

People can be easily mislead with graphs. But they don’t necessarily stay misled, the research shows.

For conducting experiments involving animals, you need a project license and a valid research plan. On this page, you will read what this entails and how to submit these documents. You will also find other relevant information regarding conducting research involving animals here.

Leiden University offers practical support and advice for professional communication. Here you will find all the guidelines and tools you need to get started immediately, as well as answers to questions such as: How do you apply the house style? Where can I find suitable imagery? And who can I turn…

In Maileon, you have the role of editor, but there are other types of users with different permissions.

If you need a mobile telephone or a mobile subscription or data-only subscription, can apply for it via the helpdesk portal. You can also contact the helpdesk portal if you need to change or cancel a mobile or data-only subscription.

Leiden psychologists receive an Outreach Grant from the Young Academy Leiden (YAL) to talk about facts and fables in their field of research. Marieke Bos, Lara Wierenga, Marit Ruitenberg and Sanne Willems will receive up to €1000 to realise their project.

Five lecturers from Leiden University have received a Comenius teaching award. With the grants they can carry out an innovation project.

What exactly does it mean when your doctor says you have a ‘good chance’ of survival? Leiden researchers discovered that there is a big difference in how people interpret such probability phrases. And that can be a problem, warns lead researcher Sanne Willems in her blog post.

Mathilde Verdam and Julian Karch (Methodology and Statistics) have been awarded a grant as co-applicants by Openscience NL to promote "Open software for statistically responsible research".

On 31 January 2014 Professor Willem Heiser (Psychology, Statistics and Data Theory) was awarded the distinction of Knight in the Order of the Dutch Lion. After his farewell lecture he received the royal honour for his exceptional academic, social and administrative achievements.

Wouter Weeda has been appointed Scientific Director of the Institute of Psychology by the Board of the Faculty of Social and Behavioural Sciences. He will start on 1 December 2025 for a period of three years, succeeding Hanneke Hulst.

Writing a Master’s thesis is a challenging process for many students. What do you do when your students get stuck, are unsure about their approach, or need help with statistics? As a thesis supervisor, you have only limited time to spend with each student. FSW's Master Thesis Lab offers a solution.

Education

Elise Dusseldorp has been appointed Professor in the Methodology and Statistics of Psychological Research. In the same way that she spends her spare time rambling through the forest, as a professor she sifts through colleagues’ research data. ‘I often come across information that doesn’t appear in the…

One in two people will be diagnosed with cancer. World Cancer Day on 4 February raises awareness of the impact of this devastating disease. Leiden University is conducting various studies aimed at preventing and controlling cancer. Below are just a few examples.

Organisation

Mirjam Oomens was working on her PhD research on language in the consulting room when she was diagnosed with metastatic cancer. Four years later, she has made it her mission to encourage doctors and other healthcare professionals to make fewer statements about life expectancy. 'Such a conviction can…