Membership of the Editorial Board of Psychological Science

Julia Stern has been appointed an associate editor position of the journal „Psychological Science“. Her term will run from 01.01.2024 to 31.12.2028.

Article in up2date magazine of the Universtity of Bremen

An article about the Master's Thesis by Jana Instinske on the role of genetic and environmental influences on self-concept has been published in the up2date magazine of the Universtity of Bremen.
Please click here to read the article:

Membership in the DFG Scientific Network „Explicit Causal Inference in Personality Research“

Alexandra Zapko-Willmes takes part in the scientific network “Explicit Causal Inference in Personality Research” (ECIP), funded by the German Research Foundation (DFG). Headed by Michael P. Grosz (University of Münster), ten scientists of different subdisciplines investigate causal effects in personality research. In addition to Michael P. Grosz and Alexandra Zapko-Willmes, members include (in alphabetical order) Ruben Arslan (Max Planck Institute for Human Development), Adam Ayaita (RWTH Aachen University), Simone Balestra (University of St. Gallen), Susanne Buecker (Ruhr University Bochum), Tobias Ebert (Mannheim Centre for European Social Research), Sandrine Müller (Bielefeld University), Sven Rieger (University of Tübingen), and Julia M. Rohrer (University of Leipzig).

New publications on the etiology of personality differences and religiousness over the lifespan!

Kandler, C., Bratko, D., Butković, A., Vukasovic-Hlupić, T., Tybur, J. M., Wesseldijk, L., de Vries, R. E., Jern, P., & Lewis, G. J. (in press). How genetic and environmental variance in personality traits shift across the lifespan: Evidence from a cross-national twin study. Journal of Personality and Social Psychology,

Richter, J., Zimmermann, J., Neyer, F. J., & Kandler, C. (in press). Do sojourn effects on personality trait changes last? A five-year longitudinal study. European Journal of Personality,

Kandler, C. (2021). A meta-analytic review of nature and nurture in religiousness across the lifespan. Current Opinion in Psychology, 40, 106-113.

Wagner, J., Orth, U., Bleidorn, W., Hopwood, C. J., & Kandler, C. (2020). Towards an integrative model of sources of personality stability and change. Current Directions in Psychological Science, 29, 438-444.

Dissertation award for Dr. Alexandra Zapko-Willmes


The dissertation by Dr. Alexandra Zapko-Willmes was awarded a prize for one of the best theses by the Universitätsgesellschaft Bielefeld. Congratulations! Further information (in German) can be found here.

Project "Germany talks"


Prof. Dr. ChristianKandler analyzed a face-to-face political debate of two complete strangers as part of the project "Germany talks". Please click here to read the full article published on the Weser-Kurier website.


New member on the board of directors of ISSID

Prof. Dr. ChristianKandler was voted onto the board of directors of the International Society for the Study of Individual Differences. Congratulations!

New publication on nature and nurture of personality differences!

Read about the first results of our three generations spanning twin family study of the SPeADy project to the question: To what extent are fundamental personality traits genetically transmitted or due to different life experiences? To a surprise, genes are more important than the influence of our environment. The work appeared in the oldest European journal of psychology, which has been published since 2007 in English.

Interview with Professor Kandler about his work

Read the interview with Professor Kandler about his recently published paper UNRAVELLING THE INTERPLAY BETWEEN GENETIC AND ENVIRONMENTAL CONTRIBUTIONS IN THE UNFOLDING OF PERSONALITY DIFFERENCES FROM EARLY ADOLESCENCE TO YOUNG ADULTHOOD in the European Journal of Personality and his career as researcher.