A Study of General Education Astronomy Students’ Understandings of Cosmology. Part V. The Effects of a New Suite of Cosmology Lecture-Tutorials on Students’ Conceptual Knowledge
A Study of General Education Astronomy Students’ Understandings of Cosmology. Part V. The Effects of a New Suite of Cosmology Lecture-Tutorials on Students’ Conceptual Knowledge
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通识教育天文学学生对宇宙学理解的研究第五部分：一套新的宇宙学讲座教程对学生概念知识的影响
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发表时间：
2012
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影响因子：
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通讯作者：
D. Duncan
中科院分区：
文献类型：
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作者：
C. S. Wallace;E. Prather;D. Duncan
这是五篇系列论文中的最后一篇，该系列论文描述了我国在普通教育天文学大学水平课程中对宇宙学教学的研究。这项工作的很大一部分致力于开发五个新的讲座教程，重点解决我们的研究表明学生在经常教授宇宙学主题时遇到的概念和推理困难，如宇宙膨胀、大爆炸和暗物质。为了检验新课程的有效性，我们对新课程的实施情况和学习效果进行了系统的调查。我们的调查包括课堂观察，使用四项概念宇宙学调查的前后测试结果，以及在宇宙学主题上花费的课堂时间和用于教授宇宙学的其他教学策略方面的班级比较。我们使用这种定性和定量研究结果的结合来评估使用新宇宙学课程的学生与没有使用新宇宙学课程的学生的概念理解。我们对数据的分析表明，在许多情况下，与没有使用宇宙学讲座辅导的教室相比，使用宇宙学讲座辅导的教室的学生的概念性宇宙学知识有了更大的增长。然而，我们的研究结果也表明，教师如何在课堂上实施讲座-辅导，对学生的学习成果有很大的影响。
This is the final paper in a five-paper series describing our national study of the teaching and learning of cosmology in general education astronomy college-level courses. A significant portion of this work was dedicated to the development of five new Lecture-Tutorials that focus on addressing the conceptual and reasoning difficulties that our research shows students have with frequently taught cosmology topics, such as the expansion of the universe, the Big Bang, and dark matter. We conducted a systematic investigation of the implementation of these new Lecture-Tutorials and resulting learning gains in order to test the efficacy of these new Lecture-Tutorials. Our investigation included classroom observations, results from pre–post testing using four conceptual cosmology surveys, and comparisons between classes in terms of the class time spent on cosmology topics and other instructional strategies used to teach cosmology. We used this combination of qualitative and quantitative research results to evaluate the conceptual understandings of students who used the new cosmology Lecture-Tutorials compared to those students who did not. The analysis of our data shows that, in many cases, classrooms that used the cosmology Lecture-Tutorials saw a greater increase in their students’ conceptual cosmology knowledge compared to classrooms that did not use the cosmology Lecture-Tutorials. However, our results also indicate how instructors implement the Lecture-Tutorials into their classrooms strongly influences their students’ learning gains.