Pengaruh pembelajaran menggunakan pendekatan c Dengan eksperimen dimodifikasi diskusi bermedia Komputer terhadap prestasi belajar siswa pada materi pokok laju reaksi kelas Xi ia sma negeri 1 wuryantoro Tahun ajaran 2009/2010

Oleh :
Wahyu widyatmi - K3305021 - Fak. KIP

ABSTRACT The purpose of this study was to investigate the effect of the CTL approach with experiment modified by discussions using computers as the media to improve student achievement in Reaction Rate material grade XI IA of SMA Negeri 1 Wuryantoro in the academic year 2009/2010. The research uses ”Randomized Control Group Pretest-Posttest Design” experiment method. The sample of the population in this reseach is the students of class XI of SMA N 1 Wuryantoro, Wonogiri. The sample is taken using cluster random sampling technique; from three classes the writer takes two classes that are class XI IA3 as exsperimental class and XI IA2 as control class. Tecnique of analysis data use t-test right side. The conclusion of this research is that CTL approach with laboratory activity modified with discussion by media of computer give influence to increase the student achievement inthe main material of reaction rate in XI IA class of SMA Negeri 1 Wuryantoro in the academic year 2009/2010. This can be seen by thitung = 3,335 > ttabel = 1,67 for cognitive value with difference of the experimental class` average is 42,375 and control class` average is 33,613. Affective value gives thitung = 1,973 > ttabel =1,67 with difference of the experimental class` average is 12,125 and control class` average is 10,645. Meanwhile, for psychomotor value`average of experimental class is 27,5313 and control class is 25,9032. Key word: CTL, Experiment, Discussion, Media, reaction rate