Efektivitas Penerapan Model Pembelajaran Pencapaian Konsep (Concept Attainmen…

This study aims to determine the effectiveness of the implementation of concept attainment learning model to increase cognitive learning outcomes. The research method used was Pre-Experimental design with the design of Intact Group Comparison. The research subjects consisted of XI class students SMAN 9 Pekanbaru, in which was devided into the experimental class and the control class. The experi…