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Direct linkRahayu, Sri; Chandrasegaran, A. L.; Treagust, David F.; Kita, Masakazu; Ibnu, Suhadi – International Journal of Science and Mathematics Education, 2011
This study was a mixed quantitative-qualitative research to evaluate the efficacy of a designed student-centred instructional (DSCI) program for teaching about acids and bases. The teaching innovation was designed based on constructivist, hands-on inquiry and context-based approaches and implemented in seven 45-min lessons with a class of 36 grade…
Descriptors: Constructivism (Learning), Experimental Groups, High Schools, Qualitative Research
Rahayu, Sri; Kita, Masakazu – International Journal of Science and Mathematics Education, 2010
This study investigated Indonesian and Japanese students' understandings of macroscopic and submicroscopic levels of representing matter and its changes and the difficulties they have with these concepts. A multiple-choice questionnaire was constructed and delivered to 447 Indonesian and 446 Japanese public senior high school students. The data…
Descriptors: Foreign Countries, Questionnaires, High School Students, Misconceptions
