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2022 Physics Education Research Conference Proceedings最新文献

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Insights from an intervention designed to support consistent reasoning 从旨在支持一致推理的干预中获得的见解
Pub Date : 2022-09-22 DOI: 10.1119/perc.2022.pr.fittswood
Thomas Fittswood, Drew J. Rosen, M. R. Stetzer
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引用次数: 0
Disciplinary Inq[ee]ry in Computational Physics 计算物理学科研究[j]
Pub Date : 2022-09-22 DOI: 10.1119/perc.2022.pr.phillips
A. M. Phillips, E. Gouvea, B. Gravel, T. Atherton
As opposed to practices that reinforce inequitable power structures, disciplinary practices in STEM that con-verge with themes of resistance (identified through Critical analysis) are better suited to support marginalized students. We identify two instances (within the setting of a computational physics course) where we notice resonance between disciplinary practices and queer theory. We use this queer reading of our learning environment to explore possibilities for queering physics education. We argue that identifying and amplifying STEM practices that are compatible with such themes can support justice-oriented pedagogy and align with efforts to incorporate agency and scientific practices into Physics classrooms.
与强化不公平权力结构的做法相反,与抵抗主题(通过批判性分析确定)相融合的STEM学科实践更适合支持边缘化学生。我们确定了两个例子(在计算物理课程的设置中),我们注意到学科实践和酷儿理论之间的共鸣。我们用这种对我们学习环境的奇怪阅读来探索奇怪物理教育的可能性。我们认为,识别和扩大与这些主题兼容的STEM实践可以支持以正义为导向的教学法,并与将代理和科学实践纳入物理课堂的努力保持一致。
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引用次数: 0
Student views of what counts as doing physics in the lab 学生对在实验室里做什么算物理的看法
Pub Date : 2022-09-22 DOI: 10.1119/perc.2022.pr.stump
Emily M. Stump, N. Holmes
Numerous studies have identified gender inequity in how students divide roles in lab courses. Few studies, however, have probed how these inequities impact women’s experimental physics identity development. In this work, we used closed-response surveys to investigate which lab tasks students view as part of “doing physics” and how these designations varied by gender. In both courses, we found that most students viewed working with the experimental apparatus, taking lab notes, doing data analysis, and thinking about the physics theory behind the experiment as part of doing physics. Only 50% of students, however, viewed managing the group progress as part of doing physics. While men and women’s views did not vary in the first-semester lab course, in the third-semester course women were more likely to view notes and managing as part of doing physics than were men. Given that previous research has indicated that women are more likely to take on managing and note-taking roles than men, our results suggest that women may be receiving less recognition as physicists from their peers, which may hinder their experimental physics identity development.
许多研究发现,学生在实验课中如何划分角色存在性别不平等。然而,很少有研究探讨这些不平等如何影响女性实验物理身份的发展。在这项工作中,我们使用封闭式调查来调查学生将哪些实验任务视为“做物理”的一部分,以及这些任务如何因性别而异。在这两门课程中,我们发现大多数学生都把使用实验仪器、做实验笔记、做数据分析、思考实验背后的物理理论看作是学习物理的一部分。然而,只有50%的学生认为管理小组进度是学习物理的一部分。虽然在第一学期的实验课程中,男性和女性的观点没有变化,但在第三学期的课程中,女性比男性更有可能将笔记和管理视为物理研究的一部分。鉴于之前的研究表明,女性比男性更有可能承担管理和记录笔记的角色,我们的研究结果表明,女性作为物理学家可能从同龄人那里得到的认可较少,这可能会阻碍她们在实验物理学方面的身份发展。
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引用次数: 1
Physics teachers integrating social justice with science content 物理教师将社会公正与科学内容相结合
Pub Date : 2022-09-22 DOI: 10.1119/perc.2022.pr.huynh
Trà Huỳnh, K. Gray, Lauren C. Bauman, Jessica Hernandez, L. Seeley, Rachel E. Scherr
In this study
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引用次数: 0
Nepantla in Physics Education Research Nepantla在物理教育研究中的应用
Pub Date : 2022-09-22 DOI: 10.1119/perc.2022.pr.young_t
T. G. Young
Physics identity is an essential topic in Physics Education Research, PER. Historically this research has examined how physics identities form for primarily white, male undergraduate students in calculus-based physics classes at Tier I institutions. More recent research has begun to consider the experiences of marginalized populations, such as students of color, women, and members of the LGBTQIA+ community. Nepantla is a theoretical framework that explicitly explores how individuals navigate opposing identities and realities. Physics students from marginalized groups are navigating multiple, often conflicting identities. Therefore, this paper asks how applying the theoretical framework of Nepantla to PER contributes to the physics identity conversation by providing insight into how individuals in marginalized populations are able to navigate their multiple identities. This paper looks at how Nepantla has been used as a theoretical framework in other areas of STEM-Ed, then applies Nepantla to existing research within PER. The results suggest that the theoretical framework of Nepantla contributes to understanding how Nepantler@s both navigate the system and change the system.
物理身份是物理教育研究中的一个重要课题。从历史上看,这项研究调查了在一级院校以微积分为基础的物理课程中,主要是白人男性本科生的物理身份是如何形成的。最近的研究开始考虑边缘化人群的经历,比如有色人种学生、女性和LGBTQIA+群体的成员。Nepantla是一个理论框架,它明确地探讨了个体如何驾驭对立的身份和现实。来自边缘群体的物理系学生正在驾驭多重身份,往往是相互冲突的身份。因此,本文询问如何将Nepantla的理论框架应用于PER,通过深入了解边缘化群体中的个体如何能够驾驭他们的多重身份,从而有助于物理身份对话。本文着眼于Nepantla如何在STEM-Ed的其他领域作为理论框架使用,然后将Nepantla应用于PER中的现有研究。结果表明,Nepantla的理论框架有助于理解Nepantler@s如何在系统中导航并改变系统。
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引用次数: 0
A case study of cultural change: learning to partner with students 文化变迁的个案研究:学习与学生合作
Pub Date : 2022-09-22 DOI: 10.1119/perc.2022.pr.abdurrahman
Fatima N. Abdurrahman, C. Turpen, Diana Sachmpazidi
,
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引用次数: 1
Graduate student understanding of quantum mechanical spin 研究生对量子力学自旋的理解
Pub Date : 2022-09-22 DOI: 10.1119/perc.2022.pr.heckler
A. Heckler, C. Porter
A framework of cyclic observation and triangulation was applied over a period of 4 years to graduate student difficulties related to quantum spin, in which numerous in-class observations and interviews were used to identify common, persistent difficulties. Written items were iteratively developed over two years to add a quantitative component. Items were administered to graduate students at two collaborating institutions, over three years. We find that students generally obtained scores or correct proportions ranging from 30%-70% on the written items, and answering patterns were similar across all institutions. All items were identified by the course instructors as being relevant to instructional goals of the course. We report on a number of graduate student difficulties with spin, including orthogonality of spin-1/2 states, projections of spin states, spin addition, and exchange symmetry. We briefly discuss possible theoretical frameworks through which to interpret these results.
在为期4年的时间里,我们将循环观察和三角测量的框架应用于与量子自旋相关的研究生困难,其中使用了大量的课堂观察和访谈来确定常见的、持续的困难。书面项目是在两年多的时间里迭代开发的,以增加定量的组成部分。研究对象是两所合作院校的研究生,为期三年。我们发现,学生在书面项目上的得分或正确率一般在30%-70%之间,所有院校的回答模式都相似。所有项目都由课程教师确定为与课程的教学目标相关。我们报告了一些研究生在自旋方面的困难,包括自旋1/2态的正交性、自旋态的投影、自旋加法和交换对称性。我们简要讨论了解释这些结果的可能的理论框架。
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引用次数: 0
Investigating underrepresented students� choice of a physics major 调查代表性不足的学生选择物理专业的情况
Pub Date : 2022-09-22 DOI: 10.1119/perc.2022.pr.piatek-jimenez
Katrina Piatek-Jimenez, D. Keblbeck, Cielo Medina Medina
It is well documented that there is little diversity within physics at the undergraduate level in the United States, and this problem is amplified in graduate school and the workforce. The cause of this underrepresentation of women and people of color in physics is reported to be partially due to a "cold" and unwelcoming climate within physics departments and differential pre-college experiences. Our larger research project aims to investigate undergraduate physics students' experiences, to better understand the factors leading to the selection and retention of a physics major, and how these experiences may differ by the intersectionality of one’s social identities. To achieve this goal, we conducted a series of in-depth interviews with physics majors at one university to learn more about their pre-college and college experiences regarding physics and astronomy. In this paper, we report a subset of our findings. In particular, we share our preliminary results on the data collected from our nine participants with identities underrepresented in the discipline of physics with regards to their selection of a physics major. Our findings reveal both internal and external motivators for selecting a major in physics and suggest that many of the pre-college obstacles they faced relate to their underrepresented identities.
有充分的证据表明,在美国,物理学在本科阶段几乎没有多样性,而这个问题在研究生院和劳动力中被放大了。据报道,导致女性和有色人种在物理学中代表性不足的部分原因是物理系内部的“冷漠”和不受欢迎的氛围以及大学前的不同经历。我们更大的研究项目旨在调查本科物理专业学生的经历,以更好地了解导致选择和保留物理专业的因素,以及这些经历如何因一个人的社会身份的交叉性而有所不同。为了实现这一目标,我们对一所大学的物理专业学生进行了一系列深入的采访,以了解他们在大学前和大学期间在物理和天文学方面的经历。在本文中,我们报告了我们发现的一部分。特别地,我们分享了我们从九位参与者那里收集的数据的初步结果,这些参与者的身份在物理学科中没有被充分代表,他们选择了物理专业。我们的研究结果揭示了选择物理专业的内部和外部动机,并表明他们在大学前面临的许多障碍都与他们未被充分代表的身份有关。
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引用次数: 0
Challenges of preparing secondary STEM pre-service teachers in computational thinking 为中学STEM职前教师准备计算思维的挑战
Pub Date : 2022-09-22 DOI: 10.1119/perc.2022.pr.sabo
Hannah Sabo, T. O. Odden, T. Gregers
Computational thinking (CT), the thought processes used in solving computational problems, has been added to the educational standards in many countries around the world. However, this new content presents challenges around preparing teachers to integrate computational thinking robustly into the STEM disciplines. In this proceedings, we conduct a preliminary investigation of the challenges of preparing secondary pre-service teachers to integrate computation into their subject teaching. We present data from interviews with three pre-service secondary subject teachers in the KURT at UiO to highlight two challenges of pre-service teacher (PST) preparation: first, (1) the computation learned in upper division subject courses does not directly translate to the computational thinking that they will be teaching their future students; and (2) in their pedagogy courses, they learn about computational thinking but are not able to translate that into their practice of teaching. We consider the implications of and solutions for these challenges on pre-service teacher preparation.
计算思维(Computational thinking, CT),即解决计算问题的思维过程,已经被世界上许多国家的教育标准所采纳。然而,这些新内容在准备教师将计算思维强有力地融入STEM学科方面提出了挑战。在这篇论文中,我们对准备中学职前教师将计算整合到他们的学科教学中的挑战进行了初步调查。我们提供了对UiO库尔特的三位职前中学学科教师的访谈数据,以突出职前教师(PST)准备的两个挑战:首先,(1)在高年级学科课程中学习的计算并不能直接转化为他们将教给未来学生的计算思维;(2)在他们的教育学课程中,他们学习了计算思维,但无法将其转化为教学实践。我们考虑这些挑战对职前教师准备的影响和解决方案。
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引用次数: 1
Reliability and Validity of an Introductory Physics Problem-Solving Grading Rubric 物理学入门题评分标准的信度与效度
Pub Date : 2022-09-22 DOI: 10.1119/perc.2022.pr.rodenhausen
Kristen Rodenhausen, J. C. Moore
We have developed and validated a rubric for the assessment and scaffolding of problem-solving process in introductory physics courses via an iterative approach. The current version of the rubric consists of eight criteria based on research in expert-like problem solving practice and aspects of Cooperative Group Problem Solving (CGPS) pedagogy. In contrast to recent work on problem-solving assessment for use in research and curriculum development, this rubric was specifically designed for instructor use in the assignment of grades and for student use as a scaffold. This means that the rubric can be used within group problem-solving activities as a student support, formative assessment of individual work, and summative assessment, such as exams. For this study, the rubric was used to score N = 166 student solutions to 6 individually-assigned homework problems covering content in introductory mechanics in a course enrolling 32 students. Inter-rater and re-rater reliability was high for undergraduate Learning Assistant raters receiving only moderate training (approximately 4 hours). Factor analysis identified two factors that have been categorized as: (1) framing & defining, and (2) planning & execution. These factors align with our initial theory of the construct, suggesting evidence for criterion-related validity. Tau-equivalent reliability was found to be 0.76, and an item-total correlations test demonstrated all criteria correlations consistent with averaged behavior.
通过迭代的方法,我们开发并验证了物理入门课程中问题解决过程的评估和框架。当前版本的标准包括八个标准,这些标准基于对专家型问题解决实践和合作小组问题解决(CGPS)教学法方面的研究。与最近在研究和课程开发中使用的问题解决评估工作相反,该标准是专门为教师在分配成绩时使用而设计的,并供学生用作脚手架。这意味着该标题可以在小组问题解决活动中用作学生支持、个人作业的形成性评估和总结性评估(如考试)。在这项研究中,在一门招收32名学生的课程中,对6个单独布置的家庭作业问题,包括介绍力学的内容,使用评分标准对N = 166名学生的解决方案进行评分。仅接受中等训练(约4小时)的本科学习助理评分者的内部和再评分者信度较高。因子分析确定了两个被分类的因素:(1)框架和定义,(2)计划和执行。这些因素与我们最初的构造理论一致,为标准相关的有效性提供了证据。tau等效信度为0.76,项目总数相关性检验表明所有标准相关性与平均行为一致。
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2022 Physics Education Research Conference Proceedings
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