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299 search results for “aggression and and sociale behaviour” in the Student website

• Unacceptable behaviour Dignity, respect & integrity

  This page provides information on what to do if you have been subjected to unacceptable behaviour.

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  Stefanie van Goozen Professor

  Faculty of Social and Behavioural Sciences

• Concerning or threatening behaviour Dignity, respect & integrity

  Have you been subjected to concerning or threatening behaviour? Are you worried that a fellow student might pose a danger to others? Or do you have concerns about abusive behaviour in the home? If so, you can turn to the Advisory Team for Concerning or Threatening Behaviour.

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  Moji Aghajani Assistant Professor

  Faculty of Social and Behavioural Sciences

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  Diana Kim

  Faculty of Social and Behavioural Sciences

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  Michelle Achterberg Guest

  Faculty of Social and Behavioural Sciences

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  Kimberly Winkel-Kuiper Clinical Neuropsychologist

  Faculty of Social and Behavioural Sciences

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  Sophie van Rijn Associate Professor

  Faculty of Social and Behavioural Sciences

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  Leo de Sonneville Guest

  Faculty of Social and Behavioural Sciences

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  Jean-Louis van Gelder Professor

  Faculty of Social and Behavioural Sciences

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  Stephanus Huijbregts Assistant Professor

  Faculty of Social and Behavioural Sciences

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  Niels van Doesum University Lecturer

  Faculty of Social and Behavioural Sciences

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  Katerina Johnson Postdoc/guest

  Faculty of Social and Behavioural Sciences

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  Kristiaan van der Heijden Vice Dean / Associate Professor

  Faculty of Social and Behavioural Sciences

• Social Café

  Agora, Wassenaarseweg 52, 2333 AK, Leiden

• Social Sciences Connect

  Each month, we publish an article showcasing how social science research and education contribute to solving societal challenges. Researchers, lecturers, students, and societal partners work together to make knowledge accessible and to make a difference. Through open science and engaged education, we…

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  Coen Wirtz Assistant professor

  Faculty of Social and Behavioural Sciences

• PhD research: Welfare benefits reduce criminal behaviour substantially News - 18 January 2022

  Receiving welfare benefits has a major impact on criminal behaviour. This has been demonstrated by Marco Stam, who defended his thesis on 20 January 2022.

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  Rachel O'Connor

  Faculty of Social and Behavioural Sciences

• Advisory report on unacceptable behaviour published News - 13 May 2024

  Today, 13 May 2024, Leiden University’s Executive Board is publishing the advice of the committee that investigated reports of unacceptable behaviour and breaches of academic integrity. These reports were about a professor from the university and their partner (a former member of the university staf…

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  Irma Mosquera Valderrama Professor

  Faculteit der Rechtsgeleerdheid

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  Esther van den Bos Assistant Professor

  Faculty of Social and Behavioural Sciences

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  Frank Doolaard Researcher

  Faculty of Social and Behavioural Sciences

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  Erik de Kwaadsteniet Assistant Professor

  Faculty of Social and Behavioural Sciences

• dismissal procedure against professor on the grounds of unacceptable behaviour News - 25 April 2024

  A professor from Leiden University, together with a former employee (who is also the professor’s partner), has been guilty of long-term unacceptable and often transgressive behaviour in the form of abuse of power and manipulation. This behaviour led to a culture of fear among staff who were largely…

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  Ili Ma Assistant professor

  Faculty of Social and Behavioural Sciences

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  Leon Hilbert Guest

  Faculty of Social and Behavioural Sciences

• The minefield that is unacceptable behaviour News - 14 October 2022

  University is often a period of sexual exploration and experimentation, generally to the satisfaction of all involved. But sometimes you want it and the other doesn’t. Or vice versa. Or you can’t really tell. This is what the Safe Space play at Theater Ins Blau was about on 11 October. And: can your…

• Introductory session study association boards: well-being and social safety Event - 10 June 2026

• 
  Akrati Saxena Assistant professor

  Faculty of Science

• Executive Board column: Let’s be alert to unacceptable behaviour News - 21 October 2022

  This is a difficult time. Above all, for all those directly involved in this horrible case – unacceptable behaviour by a professor and his removal from the University – the case we went public about on 18 October and that has been reported in the media. This is painful and tough for the complainants…

• Leiden University professor removed for extremely unacceptable behaviour News - 18 October 2022

  A professor from Leiden University has subjected various colleagues to intimidating and unacceptable behaviour for a longer period. These are the findings of an investigation carried out by the University’s independent Complaints Committee for Unacceptable Behaviour at the request of the Executive Board…

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  Berna Güroglu Professor

  Faculty of Social and Behavioural Sciences

• How can we make unacceptable behaviour a man’s issue? News - 27 October 2025

  During Consent is Key Week, we’re exploring ways to eliminate sexual violence within our university community. We spoke to Assistant Professor Mischa Dekker, who specialises in gender-related violence, about how to prevent unacceptable behaviour among students and staff.

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  Caroline Bokhorst Education & Research Staff Member

  Faculty of Social and Behavioural Sciences

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  Anoek Lorskens Education and research assistant

  Faculty of Social and Behavioural Sciences

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  Jessy Terpstra Guest

  Faculty of Social and Behavioural Sciences

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  Jinxian Wang Guest Staff Member

  Faculteit der Rechtsgeleerdheid

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  Kiki Spoelstra Self Funded Phd Candidate / Guest

  Faculty of Social and Behavioural Sciences

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  Sara Velthuizen Guest

  Faculty of Social and Behavioural Sciences

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  Koen Caminada Professor

  Faculteit der Rechtsgeleerdheid

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  Aukje Nauta Professor by Special Appointment

  Faculty of Social and Behavioural Sciences

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  Maaike Kempes Professor by Special Appointment

  Faculty of Social and Behavioural Sciences

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  Olaf Simonse Knowledge valorization staff member

  Faculty of Social and Behavioural Sciences

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  Maarten Berg Academic lecturer

  Faculteit der Rechtsgeleerdheid

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  Silke Herms PhD candidate

  Faculty of Governance and Global Affairs

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  David de Buisonjé Postdoc/guest

  Faculty of Social and Behavioural Sciences

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  Iris Müller PhD candidate

  Faculteit der Rechtsgeleerdheid

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  Hanna Swaab Professor

  Faculty of Social and Behavioural Sciences

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  Jacqueline Guicherit-Dicke Skills Instructor

  Faculty of Social and Behavioural Sciences