<![CDATA[Abstract: The research is about applying cooperative learning model Course Review Horay (CRH). It was done to know the increase student achievementon the subject termokimia in class XI MIA SMAN 7 Pekanbaru. The type of this research is experimental research with pretest-postest design. The sample consists of two classes. They are class XI Science 1 as an experimental class and class XI Science 2 as a control class which were decided randomly after doing normality and homogenity test. Experimental class is a class that is applied cooperative learning model Course Review Horay (CRH), while the control class was not. Data analysis technique used is the t-test. Based on analysis of data obtained tarithmetic> ttable is 3> 1,67, means that the application of cooperative learning model Course Review Horay (CRH) can improve student achievement on the subject of termokimia class XI MIA SMAN 7Pekanbaru, increase learning of 12,5%. Keywords: cooperative learning, Course Review Horay (CRH) ]]>
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