Fraternity Friendship Study

A prospective longitudinal study of friendship and group formation

wat doen wij

What do we do ?

From onward 2013 a university consortium of researchers from the universities of Leiden, Helsinki and Oxford study of the social development of students.

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See all the scientific work that has been published .


contact us

Contact us to for more information on the FFS project. 


prof. Anna Rotkirch

Principal Investigator, Vaestoliitto Population Research Centre, Helsinki.

Dr. Max van Duijn

Researcher, Leiden Institute for Advanced Computer Science (LIACS) and Faculty of Humanities, Leiden University.

Dr. Tamas David-Barrett

Researcher, Department of Experimental Psychology and Trinity College, University of Oxford.