„A negative correlation between class size and student achievement has been found in both developing and developed countries.“
Dr. Hyunjoon Park u. a., „Literacy Gaps by Educational Attainment: A Cross-National Analysis“ (2011), S. 4
„A negative correlation between class size and student achievement has been found in both developing and developed countries.“
Dr. Hyunjoon Park u. a., „Literacy Gaps by Educational Attainment: A Cross-National Analysis“ (2011), S. 4