A comparison of secondary schools students’ levels of conception of qualitative and quantitative inorganic analysis

F. Adesoji, N. Omilani
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引用次数: 8

Abstract

This study constructed a two tier multiple choice questions to assess the levels of conception of students in qualitative and quantitative inorganic analysis. The study is an ex-post facto. The population consisted of all S.S.S.3 students in Ibadan south-west local government area of Oyo state, Nigeria. The sample is made of five public and five private schools selected from the local government and a total of 500 students attempted the test. The data were analysed using Analysis Of Variance and Tukey to ascertain the direction of difference in the three levels of conception. Results showed that there was a significant difference in the three levels of conception by the secondary school students in Chemistry. More students were discovered to be at the macroscopic level which was the farthest from the meaningful learning of the concepts. Furthermore, very few were at the submicroscopic and symbolic levels of conception which was the closest to the meaning of those concepts in qualitative and quantitative analysis. Recommendations based on the importance of proper and high level of conception were made.
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对中学生的概念水平进行定性和定量的无机分析比较
本研究建构了两层选择题,以评估学生在定性和定量无机分析中的概念水平。这项研究是事后的。人口包括尼日利亚奥约州伊巴丹西南地方政府地区的所有sss - 3学生。样本是由当地政府选出的五所公立学校和五所私立学校组成的,共有500名学生参加了测试。使用方差分析和Tukey对数据进行分析,以确定三个概念水平的差异方向。结果显示,中学生在化学概念的三个层次上存在显著差异。更多的学生处于宏观层面,这是距离概念的有意义学习最远的。此外,很少有概念的亚微观和符号层次,这是最接近这些概念在定性和定量分析中的意义。根据适当和高水平受孕的重要性提出了建议。
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