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Light phenomena conceptual assessment: an inventory tool for teachers

机译:光现象概念评估:教师的库存工具

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Light has the most interesting phenomena among physics concepts. We designed the light phenomena conceptual assessment (LPCA) to help teachers measure their students’ conceptual understanding of light phenomena. We expected to measure increases in student understanding of light phenomena after learning about the wave and particle nature of light in Rwandan secondary schools. We analyzed the results of 244 physics students using descriptive and inferential statistics. The data revealed a low understanding of light phenomena, and this low understanding is connected to instructional tools and strategies used by teachers. Students confused reflection and refraction of light. They also struggled with understanding total internal reflection and light scattering. Therefore, teachers should teach optics by allowing students to observe related phenomena in order to more effectively promote student conceptual understanding of light phenomena.
机译:光线在物理概念中具有最有趣的现象。 我们设计了光明现象概念评估(LPCA),帮助教师衡量他们的学生对光现象的概念理解。 在了解卢旺达中学的光线和颗粒性质之后,我们预计衡量学生了解光现象的增加。 我们使用描述性和推理统计分析了244名物理学生的结果。 数据显示对光现象的理解很低,这种低理解与教师使用的教学工具和策略相连。 学生困惑的光明和折射。 他们还努力了解全内反射和光散射。 因此,教师应该通过允许学生观察相关现象来教授光学,以便更有效地促进对光现象的学生的概念理解。

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