Elminasari Panjaitan, Rita Juliani, Nurliana Marpaung
This study aims to analyze: (1) learning activities with multi representation, (2) critical thinking skills of student with multi representation (3) the effect multi representation compared with assignments to student activities, (4) critical thinking skills and activities multiple representations compared with assignments. This research is quasi experimental research with a pretest and posttest control group design. The population in this study were students of class XI SMA Negeri 5 Binjai. The research sample consisted of two experimental classes with multiple representations and a control. Collecting data using observations and tests that have been tested for validity and reliability. The data analysis technique used the independent t test with a significance level of 5%.The results showed that: (1) student activity multi representation was in the active category (85.7%), while student with assignments was in the fairly active category (65.7%), (2) critical thinking skills of student with multiple representations were in the good category (74.3%), while the students critical thinking skills with assignments were in the fairly good category (68.6%), (4) activities and skills critical thinking is better learned in the experimental class rather than in the control class. © Published under licence by IOP Publishing Ltd.
Physics Education Study Program, Postgraduate Program, Medan State University, Medan, Indonesia
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