Stavropoulou G, Stamovlasis D. Students’ Achievement Goal Orientations Scale: Psychometric Properties, Measurement Invariance Across Genders and Grades . JOSEP [Internet]. 2025 Feb. 28 [cited 2026 Jun. 5];5(1):18-30. Available from: https://mail.journalofschoolpsychology.com/index.php/josep/article/view/62