AUTHOR=Gong Boxiong , Chen Xin , Wang Na , Zhan Yan , Zhong Huiqin , Zhang Rong , Luo Yi , Zhang Zhentong , Li Longti TITLE=The relationship between psychological capital, stress, micro-learning environment, and professional identity in nursing interns: a structural equation modeling study JOURNAL=Frontiers in Psychology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2025.1458384 DOI=10.3389/fpsyg.2025.1458384 ISSN=1664-1078