Penerapan Model Pembelajaran Kooperatif Tipe Pair Checks Untuk Mencapai Ketun…

Research on the application of Pair Checks model aims to achieve student’s mastery learning on the topic of the reaction rate in class XI Science SMA Negeri 2 Pujud. This research used one shot-study case design. Time of data retrieval from the date November 11rd – 25rd 2014. The sample was selected from the four existing classes, obtained class XI Science 2. Data analysis technique used t…