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The Effects of 3D-CAD and 3D Printing Applications of STEM-based Pre-engineering Curriculum on Students’ Learning Performance
本研究的主要結論如下：1. 3D建模與列印應用對學習紀錄之總結測驗具有正向影響。2. 3D建模與列印對科技態度無顯著影響。3. 3D建模與列印對創意結果之新穎性、精緻性及整體有正向影響。
The purpose of this study was to investigate the effects of three-dimensional computer-aided design(3D-CAD) and 3D printing of STEM-based pre-engineering curriculum on students’ learning performance. A nonequivalent pretest-posttest quasi-experimental design was used in this research. There were 145 10th grade students of public senior high school participating in this study. The students were randomly assigned to the experimental group and the control group. The course unit named Carbon Dioxide Dragster Race was conducted in researcher. The experimental group was taught using 3D-CAD and 3D printing, while the control group was taught using the traditional handwork. Participant students’ learning performance before and after the experiment were evaluated. Attitudes towards Technology Scale was used to collect data of students’ attitudes towards technology. Additionally, creative products rubric and learning sheet were used to collect relevant information. The findings of the research were: 1. 3D-CAD and 3D printing applications had a positive effect in students’ summary assessment. 2. 3D-CAD and 3D printing applications had no significant difference in attitudes towards technology. 3. 3D-CAD and 3D printing applications had positive effects on novelty, sophistication, and total aspect. According to the results of this research, some recommendations were provided for 3D-CAD and 3D printing of STEM-based pre-engineering curriculum and future studies.
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