Schramm, Thilo https://orcid.org/0000-0002-6290-246X
Schmiemann, Philipp https://orcid.org/0000-0001-7827-7008
Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (01PL16075)
Interdisciplinary Centre for Educational Research (IZfB) University of Duisburg-Essen
Open Access Publication Fund of the University of Duisburg-Essen
Article History
Received: 24 September 2019
Accepted: 13 November 2019
First Online: 29 November 2019
Competing interests
: The authors declare that they have no competing interests.