Bielik, Viktor
Nosáľ, Vladimír
Nechalová, Libuša
Špánik, Milan
Žilková, Katarína
Grendar, Marian
Funding for this research was provided by:
Agentúra na Podporu Výskumu a Vývoja (APVV-22-0047)
Vedecká grantová agentúra Ministerstva školstva (VEGA 1/0260/21)
Article History
Received: 11 April 2024
Accepted: 23 December 2024
First Online: 9 January 2025
Declarations
:
: The study received approval from the Ethic Committee of the Faculty of Physical Education and Sport at the Comenius University of Bratislava (No. 06/2024), National Institute of Education and Youth in Slovakia, Slovak Olympic and Sports Committee, and the principals of each of the included schools.
: All participants were fully informed about the objectives of the study, and informed written consent was obtained from their legal guardians.
: The authors declare no competing interests.