„According to Hattie the potential predictors of achievement reside in students themselves. Student’s gender, school absenteeism, early numerical and reading skills, preschool education, perceptions, attitudes and the frequency of speaking test language at home are some of the fundamental student-related factors presented in the literature.“
Univ.-Prof. Dr. Ekber Tomul u. a., The relative effect of student, family and school‑related factors on math achievement by location of the school (2021), S. 2.