1.5. Conclusion
The concept of CL, the grouping and pairing of learners for the purpose of achieving a learning goal, has been
widely researched and advocated; the term CL refers to an instruction method in which learners at various
performance levels work together in small groups toward a common goal. The learners are responsible for one
another's learning as well as their own. Thus, the success of one learner helps other students to be successful. There
are 5 basic elements characterize CL, that are: Clearly perceived positive interdependence, Considerable interaction,
Individual accountability and personal responsibility to achieve group goals, Use of the relevant interpersonal and
small group skills and, Frequent and regular group processing of current functioning to improve the group's future
effectiveness. Many benefits have been described for CL, which are categorized in this article to 4 main groups of:
social, psychological, academic and assessment.