give CHAPTER happen when average worksheet way experiment model teacher SMAN type there conducting atitude further study classroom affective outcome asking education meeting test about show how their teaching cooperate should increase attitude increa also researcher but increased too dont calculating hi next clas value active push especially make proces distinct based some result group choosing student wa stated cognitive theory learning medan research improve working aspect hypothese see category important time draw MIPA SUGGESTIONS following data brave after STAD selfish discussion assisted know cooperative second outccome must presenting able work using self useful innovation use prospective conclusion achievement your opinion CONCLUSION card refine listening physic because testing suggestion counterweight who division medium effect expected team world high above alternative first