Secondary Students' Perceptions about Learning Qualitative Analysis in Inorganic Chemistry |
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Authors: | Kim-Chwee Daniel Tan Ngoh-Khang Goh Lian-Sai Chia David F Treagust |
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Institution: | 1. University of Liverpool, Department of Education;2. University of Liverpool, School of Life Sciences |
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Abstract: | Grade 10 students in Singapore find qualitative analysis one of the more difficult topics in their external examinations. Fifty-one grade 10 students (15-17 years old) from three schools were interviewed to investigate their perceptions about learning qualitative analysis and the aspects of qualitative analysis they found difficult. The results showed that students found qualitative analysis tedious, difficult to understand and found the practical sessions unrelated to what they learned in class. They also believed that learning qualitative analysis required a great amount of memory work. It is proposed that their difficulties may arise from not knowing explicitly what is required in qualitative analysis, the content of qualitative analysis, the lack of motivation to understand qualitative analysis, cognitive overloading, and the lack of mastery of the required process skills. |
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