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Issue 1, 2019
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The effects of microcomputer-based laboratories on students macro, micro, and symbolic representations when learning about net ionic reactions

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Abstract

This study uses graphs of conductivity measured by a microcomputer-based laboratory (MBL) to promote students’ macro, micro, and symbolic representations when learning about net ionic reactions (NIR). A total of 54 students, aged 14–15 years old participated in this research, and were randomly divided into an experimental group (N = 27) and a control group (N = 27). The students in the experimental group were given graphs of conductivity measured by MBL, while the control group had a demonstration of acid–base titration experiments. The results reveal that the graphs of conductivity have a large effect on students’ macro, micro, and symbolic representations, that is, the students in the experimental group build more representations than the students in the control group.

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Article information


Submitted
06 Jul 2018
Accepted
07 Nov 2018
First published
07 Nov 2018

Chem. Educ. Res. Pract., 2019,20, 288-301
Article type
Paper

The effects of microcomputer-based laboratories on students macro, micro, and symbolic representations when learning about net ionic reactions

J. Ye, S. Lu and H. Bi, Chem. Educ. Res. Pract., 2019, 20, 288
DOI: 10.1039/C8RP00165K

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