• Entwicklung von Moralität und Prosozialität im Kindergarten- und Grundschulalter
• Strukturen und Inhalte von Eltern - Kind Interaktionen
• Strukturen und Inhalte von Interaktionen gleichaltriger Kinder
• Begründung prosozialer und moralischer Entscheidungen
• Reflective Functioning/ Mentalisierungsfähigkeit

Seit 2019

Postdoctoral Researcher, Department of Psychology, LMU Munich

2014 - 2018

Doctoral Researcher, Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Leipzig

2011 - 2014

Master (M.A.) in General Linguistics, University of Leipzig

2007 - 2011

Bachelor (B.A.) in General Linguistics, University of Leipzig

Mammen, M., Köymen, B., & Tomasello, M. (2021). Young children’s moral judgments depend

on the social relationship between agents. Cognitive Development.

Christner, N., Sticker, R. M., Söldner, L., Mammen, M., & Paulus, M. (2020). Prevention for

oneself or others? Psychological and social factors that explain social distancing during the COVID-19 pandemic. Journal of Health Psychology, 12.

Mammen, M., Domberg, A., & Köymen, B. (2020). Reasoning in communication. In The

Encyclopedia of Child and Adolescent Development (pp. 1–8). American Cancer Society. https://doi.org/10.1002/9781119171492.wecad129

Mammen, M., Köymen, B., & Tomasello, M. (2019). Children’s reasoning with peers and

parents about moral dilemmas. Developmental Psychology, 55(11), 2324–2335. https://doi.org/10.1037/dev0000807

Mammen, M., Domberg, A., & Köymen, B. (2019). Reasoning. The Encyclopedia of Child and

Adolescent Development

Mammen, M., Köymen, B., & Tomasello, M. (2018). The reasons young children give to peers

when explaining their judgments of moral and conventional rules.Developmental Psychology, 54(2), 254-262.

Köymen, B., Mammen, M., & Tomasello, M. (2016). Preschoolers use common ground in their

justificatory reasoning with peers. Developmental Psychology, 52(3), 423-429.

Mammen, M., Köymen, B., & Tomasello, M. (2015). Preschoolers use common ground in their

justificatory reasoning with peers. Poster presented at the CEU Conference on Cognitive Development, Budapest, Hungary