LÖFSTEDT, Arne; BERGH, Daniel. Investigating DIF: The role of response format for students following the syllabus for Swedish as a second language : Experiences from the Swedish National Tests in Social Studies. Nordidactica. Journal of Humanities and Social Science Education, [S. l.], v. 15, n. 2025:2, p. 73–98, 2026. DOI: 10.62902/nordidactica.v15i2025:2.26762. Disponível em: https://journals.lub.lu.se/nordidactica/article/view/26762. Acesso em: 3 feb. 2026.