PENGGUNAAN METODE PEMBELAJARAN KOOPERATIF TAI (Team Assisted Individualization) DILENGKAPI MODUL DAN PENILAIAN PORTOFOLIO UNTUK MENINGKATKAN PRESTASI BELAJAR PENENTUAN DH REAKSI SISWA SMA KELAS XI SEMESTER I

Abstract

The aim of this research was to improve the achievement of student in the determination of ÄH reaktion subject with TAI (Team Assisted Individualization), then completed with module and portofolio assesment. The subject of this experiment was the student grade XI-IA1 SMA Negeri Karangpandan Karanganyar Central Java 2007/2008. This research was a Classroom Action Research (CAR) conducted into two cycles. The steps of each cycle were planning, acting, observing and reflecting. The data were received from observing, interviewing with teacher, researching the difficulty study in chemistry and the student response of chemistry study. This experiment used descriptive qualitative method. The result of the experiment approved that the use of study with TAI method teaching that completed with module and portofolio assesment could improve the achievement of student in the determination of ÄH reaktion subject. This can be proved from initial test, the first cycle and the second cycle. On the initial test the student ability to accomplish the test is about 32% in average and increase to 50.0 % in the first cycle and 66.0 % in the second cycle. The completion of study in initial test was 0.0 %, to increase 37.0 % in the first cycle and 72.0% in the second cycle