AUTHOR=Xu Lijuan , Li Li TITLE=Perceived discrimination and psychological crisis among Chinese college students: a chain-mediation model of sense of life meaning and self-esteem JOURNAL=Frontiers in Psychology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2025.1538653 DOI=10.3389/fpsyg.2025.1538653 ISSN=1664-1078