Parviainen, Milja http://orcid.org/0000-0002-3352-4834
Aunola, Kaisa
Torppa, Minna
Lerkkanen, Marja-Kristiina
Poikkeus, Anna-Maija
Vasalampi, Kati
Funding for this research was provided by:
Academy of Finland (268586, 268586, 268586, 268586)
Article History
Received: 3 July 2020
Accepted: 13 October 2020
First Online: 30 October 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: The follow-up study was conducted in compliance with American Psychological Association ethical standards. An ethical statement was obtained from the Ethics Committee of the University of Jyväskylä at the outset of the follow-up study.
: Informed consent was obtained from the participants’ parents or guardians (primary and lower secondary school) and from the participants (upper secondary education).