Funding for this research was provided by:
IPN – Leibniz-Institut für die Pädagogik der Naturwissenschaften und Mathematik an der Universität Kiel
Article History
Received: 11 June 2021
Revised: 25 August 2021
Accepted: 7 September 2021
First Online: 12 October 2021
Change Date: 26 February 2022
Change Type: Update
Change Details: The original version of this paper was updated to add the missing compact agreement Open Access funding note.
Declarations
:
: Ethics approval was not required for this study. But all questionnaires were checked by the Hamburg data security officer.
: Achievement tests were mandatory. Questionnaires were voluntary and required the informed consent of the legal guardians.
: The informed consent included the use of data for scientific purposes.
: The authors declare no competing interests.