Aptyka, Helena http://orcid.org/0000-0003-3479-7743
Fiedler, Daniela http://orcid.org/0000-0002-9164-9985
Großschedl, Jörg http://orcid.org/0000-0002-7943-4818
Funding for this research was provided by:
Universität zu Köln
Article History
Received: 8 September 2021
Accepted: 2 April 2022
First Online: 29 April 2022
Declarations
:
: Throughout the study, we ensured compliance with school law agreements and adhered to ethical principles and guidelines for protecting human research subjects (National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research CitationRef removed; Ministry of the Interior of the State of North Rhine-Westphalia, CitationRef removed). Participating students provided informed consent at the beginning of the study. Students used a personal four-digit code to mark materials of the three study phases that belong together to grant anonymity. Teachers and students received no reward for their participation.
: Not applicable.
: The authors declare no competing interests.