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High School and Preservice Chemistry Teacher Education Students' Understanding of Voltaic and Electrolytic Cell Concepts: Evidence of Consistent Learning Difficulties across Years
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Rahayu, Sri; Treagust, David F.; Chandrasegaran, A. L. – International Journal of Science and Mathematics Education, 2022
High school students learn the basic voltaic and electrolytic cell concepts during their last year prior to entering an undergraduate teacher-education science degree. During the 4 years of university, students complete a sequence of topics designed to build on conceptual understanding presented in previous years. At the end of their degrees,…
Descriptors: High School Students, Grade 12, Preservice Teachers, Science Teachers
High School Students' Proficiency and Confidence Levels in Displaying Their Understanding of Basic Electrolysis Concepts
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Sia, Ding Teng; Treagust, David F.; Chandrasegaran, A. L. – International Journal of Science and Mathematics Education, 2012
This study was conducted with 330 Form 4 (grade 10) students (aged 15-16 years) who were involved in a course of instruction on electrolysis concepts. The main purposes of this study were (1) to assess high school chemistry students' understanding of 19 major principles of electrolysis using a recently developed 2-tier multiple-choice diagnostic…
Descriptors: Chemistry, Grade 10, High School Students, Academic Achievement
Understanding Acid-Base Concepts: Evaluating the Efficacy of a Senior High School Student-Centred Instructional Program in Indonesia
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Rahayu, 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