PENERAPAN PEMBELAJARAN KOOPERATIF TIPE STAD YANG DIKOMBINASI DENGAN METODE DISKUSI TERHADAP EFEKTIVITAS DAN KETUNTASAN BELAJAR SISWA PADA POKOK BAHASAN SISTEM KOLOID

Thts research was conducted to know the eft:ectlveness and mastery learning of implementation in cooperativt: study type STAD wh1ch was combined with the discussion method. The population of the study W(C) tht: XI class SMA Ncgcri l edan 2005/2006 with the total number 456 students, spread in ten classes. The sample of the study was 4 classes taken hy random sampling and test was u..sed for taking the data. Based on the research findings it was concluded that the result of the studt:nls study by using coopcrattvc study type STAD which was combined wtth discussion method was better than conventional method. The eflectivcncss of implementation of cooperetive study type ST AD which was combined with
discussion method was I I. 75 %~ The achievement of mastery learning by using STAD method was 84 ~/.1 while discussion method was 68 %.