Which of the following guidelines must a teacher follow for using the Cooperative learning method in the classroom?I. Groups’ composition should be heterogeneous by mixing students considering their academic achievement, sex, and raceII. Grade individual students’ s contributionsIII. Collaborative social skills must be taught, modelled and reinforced regularly

Which of the following guidelines must a teacher follow for using the

1.	Which of the following guidelines must a teacher follow for using the Cooperative learning method in the classroom?I. Groups’ composition should be heterogeneous by mixing students considering their academic achievement, sex, and raceII. Grade individual students’ s contributionsIII. Collaborative social skills must be taught, modelled and reinforced regularly
A.	I, II and III
B.	I and II
C.	Only III
D.	II and III
Answer» B. I and II