WHAT WAS THE MAJOR DIFFERENCE BETWEEN THE CONTROL GROUP AND THE EXPERI...

Câu 19: What was the major difference between the control group and the experimental one in the study? A. The training that parents received. B. The books that were read.C. The number of participants. D. The age of the children.Giải thích: T rong đoạn 2 ta th ấy cha mẹ học sinh của nhóm “the experimental group ” sẽ được tham gia l ớp đào tạo “ the parents were given a two-hour training session ” trong khi đó cha mẹ của nhóm “the control group” thì không.