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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

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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
Evaluating Students' Understanding of Kinetic Particle Theory Concepts Relating to the States of Matter, Changes of State and Diffusion: A Cross-National Study
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Treagust, David F.; Chandrasegaran, A. L.; Crowley, Julianne; Yung, Benny H. W.; Cheong, Irene P.-A.; Othman, Jazilah – International Journal of Science and Mathematics Education, 2010
This paper reports on the understanding of three key conceptual categories relating to the kinetic particle theory: (1) intermolecular spacing in solids, liquids and gases, (2) changes of state and intermolecular forces and (3) diffusion in liquids and gases, amongst 148 high school students from Brunei, Australia, Hong Kong and Singapore using 11…
Descriptors: Kinetics, Concept Formation, Foreign Countries, Evaluation