„One of the most stable findings in educational research is the impact of students’ background on achievement, especially parents’ level of education and occupation or earnings.“
IEA (Hrsg.), „TIMSS and PIRLS 2011“ (2013), S. 8f
„One of the most stable findings in educational research is the impact of students’ background on achievement, especially parents’ level of education and occupation or earnings.“
IEA (Hrsg.), „TIMSS and PIRLS 2011“ (2013), S. 8f