Accoding to the text effectiveness of teachers’ eork depends upon both their skill in their approaches to teaching and their contentment with them
It is clear from the text that it is the teacher who is able to provide his students with the tasks where they can display their autonomy.
The author assures us that the choice of certain teaching methods is affected by the subject being taught.
The author disproves the idea that teachers should develop collaborative and cooperative work as it leads to the joint construction of new knowledge and understanding.