Penerapan Model Pembelajaran Kooperatif Tipe Numbered Head Together (Nht) Untuk Meningkatkan Prestasi Belajar Siswa Pada Pokok Bahasan Larutan Penyangga Di Kelas Xi IPA SMA Negeri 6 Pekanbaru

Abstract

Research on the application of cooperative learning model Numbered Head Together (NHT) has been conducted to determine the increase in student achievement on the subject of the buffer solution in class XI Science SMAN 6 Pekanbaru. Research is a form of experimental research with pretest-posttest design. Time of data collection was done between March 25 to 11 April 2013. The sample consisted of two classes, namely class XI IPA2 as the experimental class and the class as a class XI IPA3 controls randomly selected after tests of normality and homogeneity. Applied experimental class cooperative learning model NHT, while the applied control class lecture. Data analysis technique used is the t-test. Based on analysis of data obtained t > t table ie 4.6496 > 1.6690 means that the application of cooperative learning model NHT can improve student achievement. Increase student achievement, including high category with a score gain normalized (N-gain) of 0.7133