Parents' Learning Support and School Attitudes in Relation to Adolescent Academic Identity and School Performance in Nine Countries - Suha M. Al-Hassan; Natasha Duell; Jennifer E. Lansford; Kenneth A. Dodge; Sevtap Gurdal; Qin Liu; Qian Long; Paul Oburu; Concetta Pastorelli; Ann T. Skinner; Emma Sorbring; Laurence Steinberg; et al. (European Journal of Psychology of Education, 2024)