“…Adolescence is a critical and sensitive period of personal growth. Cultivating their grit quality is regarded as an important positive psychological resource for individuals to deal with life stress (Glen Johan Ri et al, 2024), which can help them carry out self-regulation (Wolters and Hussain, 2015;Datu et al, 2016) and self-control (Maddi et al, 2013), improve their academic performance (Li and Liu, 2021;Eskreis-Winkler et al, 2014;We and Hu, 2017;Du & Zhu, 2020) and individual mental health level (Sun & Fu, 2024;Duckworth and Gross, 2014;Maddi et al, 2013), reduce drug abuse and other dangerous behaviors (Guerrero et al, 2016), etc. While there is a lack of research on the mediating role between discrimination perception and problem behaviors of focusing on the grit of left-behind children.…”