AUTHOR=Eckert Helene , Paschke Patrick , Wirthwein Linda , Steinmayr Ricarda TITLE=Development of subjective well-being in adolescents before and during the COVID-19 pandemic JOURNAL=Frontiers in Education VOLUME=10 YEAR=2025 URL=https://www.frontiersin.org/journals/education/articles/10.3389/feduc.2025.1485289 DOI=10.3389/feduc.2025.1485289 ISSN=2504-284X