Rasch Analysis and Differential Item Functioning of STEM Teachers’ Instructional Preparedness Instrument for Urban and Rural Teachers . International Journal of Academic Research in Progressive Education and Development, [S. l.], v. 7, n. 4, 2018. Disponível em: https://ijarped.com/index.php/journal/article/view/452. Acesso em: 5 apr. 2026.