1- Did you post a comment? What is to be born in mind when we do so? 2- What do you feel about reading comments in your post?3- Advantages and disadvantages.

cooperation collaboration•Interaction for a goal•L= competition•Achievement of goal•Teacher-centred•Content specific•Product•Authority = tutor•Quantitative methods•Traditional knowledge•Correct answer•St = trainee

•Interaction as lifestyle•L=consensus-building•Contributions •Student-centred•Individual abilities•Process•Authority = shared •Qualitative methods•Social constructivism•Empowerment •St = problem-solver