Eliyawati, I. Rohman, A. Kadarohman
This research aims to investigate the effect of learning multimedia on students' understanding of macroscopic, sub-microscopic, and symbolic levels in electrolyte and nonelectrolyte topic. The quasi-experimental with one group pre-test post-test design was used. Thirty-five students were experimental class and another thirty-five were control class. The instrument was used is three representation levels. The t-test was performed on average level of 95% to identify the significant difference between experimental class and control class. The results show that the normalized gain average of experimental class is 0.75 (high) and the normalized gain average of control class is 0.45 (moderate). There is significant difference in students' understanding in sub-microscopic and symbolic levels and there is not significant difference of students' understanding in macroscopic level between experimental class and control class. The normalized gain of students' understanding of macroscopic, sub-microscopic and symbolic in experimental class are 0.6 (moderate), 0.75 (high), and 0.64 (moderate), while the normalized gain of students' understanding of macroscopic, sub-microscopic and symbolic in control class are 0.49 (moderate), 0.39 (high), and 0.3 (moderate). Therefore, it can be concluded that learning multimedia can help in improving students' understanding especially in sub-microscopic and symbolic levels. © Published under licence by IOP Publishing Ltd.
International Program on Science Education (IPSE) Study Program, Universitas Pendidikan Indonesia, Bandung, Indonesia; Chemistry Department, Universitas Pendidikan Indonesia, Bandung, Indonesia
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