Högberg, Björn http://orcid.org/0000-0002-0199-0435
Funding for this research was provided by:
Umea University
Article History
Accepted: 25 June 2023
First Online: 3 July 2023
Declarations
:
: Pupils participating in PISA and HBSC are given written information stating that their participation is voluntary and that their answers are confidential.
: The study was approved by the Swedish Ethical Review Authority (Reference 2019_00013).
: Not applicable.
: The author have no relevant financial or non-financial interests to disclose.