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Direct linkTan, Kim Chwee Daniel; Taber, Keith S. – Journal of Chemical Education, 2009
The results from a study to explore pre-service teachers' understanding of ionization energy, a topic that features in A-level (grade 11 and 12) chemistry courses. in Singapore , is described. A previous study using a two-tier multiple choice diagnostic test has shown that Singapore A-level students have considerable difficulty understanding the…
Descriptors: Preservice Teachers, Diagnostic Tests, Chemistry, Foreign Countries
Taber, Keith S.; Tan, Kim Chwee Daniel – International Journal of Science and Mathematics Education, 2007
This paper describes findings from a study to explore Singapore A-level (Grades 11 and 12, 16-19 yr old) students' understanding of ionisation energy, an abstract and complex topic that is featured in school chemistry courses. Previous research had reported that students in the United Kingdom commonly use alternative notions based on the perceived…
Descriptors: Chemistry, Foreign Countries, Grade 11, Grade 12
