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Hoe, Kai Yee; Subramaniam, R. – Chemistry Education Research and Practice, 2016
This study presents an analysis of alternative conceptions (ACs) on acid--base chemistry harbored by grade 9 students in Singapore. The ACs were obtained by the development and validation of a 4-tier diagnostic instrument. It is among the very few studies in the science education literature that have focused on examining results based also on…
Descriptors: Foreign Countries, Secondary School Students, Secondary School Science, Chemistry