Effect of phase-based instruction in plane geometry using geogebra on the geometric thinking of grade seven students in China / Yang Yanni

Yang , Yanni (2019) Effect of phase-based instruction in plane geometry using geogebra on the geometric thinking of grade seven students in China / Yang Yanni. Masters thesis, Universiti Malaya.

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Abstract

One of the issues in geometric teaching in China is the lack of focus on geometric thinking and the usage of technology. The purpose of this study is to determine the effect of phase-based instruction in plane geometry using Geogebra on the geometric thinking of Grade Seven students in China. The population of study is two classes of Grade Seven students in the national type public Chinese schools in China. In this study, the participants were Grade Seven pupils from two intact mixed-ability classrooms. There were 58 students in the experimental group and 54 students in the control group. This study adopted a quasi-experimental non-equivalent pretest-posttest design. The results of Mann-Whitney U test for pre Van Hiele Achievement Test showed that there is no difference in van Hiele geometric thinking levels between the control group and the experimental group (Mdn=1), U (n1=54, n2=58)= 1476.00, z=0.70, p=0.49 at the significant level of 0.05. The finding of this study showed that the difference in van Hiele levels of geometric thinking between the pupils in the control group (Mdn=3) and the pupils in the experimental group (Mdn=3) was significant, U (n1=54, n2=58)=1250.00, z=2.53, p=0.01. The result showed that the performance of pupils in the experimental group was higher in mean rank of van Hiele geometric thinking levels than the pupils in control group after being intervened. Thus, more researches should be done to provide mathematical educators to use phase-based instruction with Geogebra and to provide students with more meaningful mathematics teaching and learning experiences.

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