Haataja, Eeva http://orcid.org/0000-0003-2466-4576
Salonen, Visajaani http://orcid.org/0000-0002-3454-225X
Laine, Anu http://orcid.org/0000-0003-3881-8134
Toivanen, Miika http://orcid.org/0000-0003-1258-4237
Hannula, Markku S. http://orcid.org/0000-0003-4979-7711
Funding for this research was provided by:
Academy of Finland (297856)
Article History
First Online: 24 May 2020
Compliance with Ethical Standards
: The research project has a review and an approval of the University of Helsinki Ethical Review Board in the Humanities and Social and Behavioral Sciences. With their principals’ permission, the teachers, and all students present in data collection volunteered and filled written consent forms. The students’ parents were informed on the data collection.
: The authors declare they have no conflict of interest.