„All modern school systems engage in some differentiation of the learning environment.“
Univ.-Prof. Dr. Magnus Bygren, „Ability grouping’s effects on grades and the attainment of higher education“ in „Sociology of Education“, 2016, 89(2), S. 119
„All modern school systems engage in some differentiation of the learning environment.“
Univ.-Prof. Dr. Magnus Bygren, „Ability grouping’s effects on grades and the attainment of higher education“ in „Sociology of Education“, 2016, 89(2), S. 119