In this method, students deal with complex tasks either within a group or
with the teacher's help. This leads to the exchange of different opinions,
which is necessary for independent thinking, reflection and active learning.
In a computer-supported working field this exchange is carried out mainly
with the help of technical appliances: a "virtual" exchange takes
At this point, the many-to-many technique might be of less importance than
the one-to-one technique in which two students communicate, for example, via
e-mail. Nevertheless, the students should have the opportunity to discuss
face to face as during the many-to-many technique.