Santoso, Guguh Dwi2013-01-162013-01-162013-01-16Sahlanhttp://repository.unri.ac.id:80/handle/123456789/1444UPAYA PENINGKATAN HASIL BELAJAR KIMIA MELALUI PENERAPAN ASSESMENT BERBASIS KELAS PADA MATERI POKOK BAHASAN KOLOIDUPAYA PENINGKATAN HASIL BELAJAR KIMIA MELALUI PENERAPAN ASSESMENT BERBASIS KELAS PADA MATERI POKOK BAHASAN KOLOID KELAS XI IPA SMA PGRI PEKANBARU Guguh Dwi Santoso1, Betty Holiwarni2 dan Elva Yasmi Amran3 Program Studi Pendidikan Kimia Fakultas Keguruan dan Ilmu Pendidikan, Universitas Riau, Pekanbaru Email: gu2h_chems@yahoo.co.id ABSTRACT Research on application of classroom-based assessment has been carried out in order to improve the learning outcomes of students in chemistry subject in class XI Science colloidal SMA PGRI Pekanbaru. Forms of research is experimental research with pretest-posttest design. When data collection was conducted in May-June 2012. The sample consisted of two homogeneous classes, ie class XI-2 as an experimental class XI and class-3 as a control class. Experimental class is a class given the class-based assessment application (written assessment, assessment of affective, psychomotor assessment, oral assessment, assessment journals, product assessment, self-assessment, peer assessment and portfolio assessment), while the control class is the class of the given learning without application classroom-based assessment (written assessment). Data analysis technique used is the t-test. Based on the results of the final data processing using t-test formula-derived t count> t-table is 3.56> 1.67 means that the implementation of classroom assessment berasis to improve student achievement in the subject of colloidal class XI High School PGRI Pekanbaru. Increased academic achievement on classroom experiment with increase of 17%. Keywords: class-Based Assessment, Learning Outcomes.otherclass-Based AssessmentLearning Outcomesstudent Paper Post Degree