How does cooperative learning differs from other forms of group work?

First: cooperative learning teams are heterogeneous groups based on students`academic achievements.
Second: There is possible interdependent among the group members , individual success depends on group success.
Third: There is individual accountability which is linked to group accountability.
Fourth: There is a face to face interaction among the students` which facilitates language acquisition.
Gains of cooperative learning:
Input: Comprehensible
            Develop mentally appropriate
            Redundant
            Accuracy
Output: Functional / Communicative
              Frequent
              Redundant
              Identity congruent
Contents: Motivating
                 Feedback rich