“…Cooperative learning is proven to be capable of producing various positive effects, for instance less dropouts-especially at the beginning of the studiesbecause it can contribute to students' sense of belonging to colleagues and feeling of security (Seymour & Hewitt, 1997). A meta-study on the effects of cooperative small-group learning on science, mathematics, engineering, and technology students found significant positive effects on achievement, persistence and attitudes (towards subject matter, self esteem and motivation) (Springer, Stanne, & Donovan, 1999). Another metaanalysis on cooperative learning methods showed that students showed higher academic achievements-with respect to grades, quality of products such as reports-than competitive and individualistic efforts (Johnson, Johnson, & Stanne, 2000).…”