AUTHOR=Ma Changhao , Gao Mingze , Qi Ziyang , Che Wen , Qi Shenghua TITLE=The relationship between sports participation and bullying in elementary schools: the mediating role of mental toughness JOURNAL=Frontiers in Psychology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2025.1463705 DOI=10.3389/fpsyg.2025.1463705 ISSN=1664-1078