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Investigating High School Students’ Understanding of Chemical Equilibrium Concepts

2015·Mageswary Karpudewan, David F. Treagust, Mauro Mocerino +2 yazar

International Journal of Environmental and Science Education·Cilt 2015/10, Sayı 6

This study investigated the year 12 students’ (N = 56) understanding of chemical equilibrium concepts after instruction using two conceptual tests, the Chemical Equilibrium Conceptual Test 1(CECT-1) consisting of nine two-tier multiple-choice items and the Chemical Equilibrium Conceptual Test 2(CECT-2) …

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High School Students’ Understanding of Acid-Base Concepts: An Ongoing Challenge for Teachers

2015·Muhd Ibrahim Muhamad Damanhuri, David F. Treagust, Mihye Won +1 yazar

International Journal of Environmental and Science Education·Cilt 2016/11, Sayı 1

Using a quantitative case study design, the Acids-Bases Chemistry Achievement Test (ABCAT) was developed to evaluate the extent to which students in Malaysian secondary schools achieved the intended curriculum on acid-base concepts. Responses were obtained from 260 Form 5 (Grade …

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