Gebauer, Miriam M. http://orcid.org/0000-0003-4034-0598
McElvany, Nele
Bos, Wilfried
Köller, Olaf
Schöber, Christian
Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (01JC1118A, 01JC1118B)
Article History
Received: 4 September 2018
Accepted: 24 October 2019
First Online: 19 December 2019
Compliance with ethical standards
:
: The authors declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.
: The authors declare that research procedures were in accordance with ethical principles and guidelines for the protection of human subjects who gave informed consent to participate in this study. For each student, a signed statement to approve informed consent from parents/LAR was collected prior to data collection. The ethical review division of each Federal Department of Education responsible for reviewing research conducted in schools approved this study.