Symonds, Jennifer http://orcid.org/0000-0003-4259-6124
Schoon, Ingrid
Eccles, Jacquelynne
Salmela-Aro, Katariina
Article History
Received: 12 December 2018
Accepted: 14 February 2019
First Online: 5 March 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: The study received ethical approval from the University of Jyväskylä, Finland.
: Parents gave opt-out consent for their children to participate in the study.