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2022 Physics Education Research Conference Proceedings最新文献

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Social Network Analysis of a Physics Faculty Online Learning Community 物理教师在线学习社区的社会网络分析
Pub Date : 2022-09-22 DOI: 10.1119/perc.2022.pr.hatcher
Chase Hatcher, E. Price, P. Smith, C. Turpen, Eric Brewe
We analyze the results of two surveys administered to a Faculty Online Learning Community teaching a common physics curriculum designed primarily for pre-service elementary teachers. We use Social Network Analysis to represent the faculty network and compare members’ closeness, a measure of how closely connected a person is with every other person in their network, to their reported experience in the community. We find that participants’ self-efficacy, as well as their teaching and sense of benefitting from the community, are predictors of their centrality in the network as measured by closeness with other participants
我们分析了对教师在线学习社区进行的两项调查的结果,该社区教授一门主要为职前小学教师设计的普通物理课程。我们使用社会网络分析(Social Network Analysis)来表示教师网络,并将成员的亲密度(衡量一个人与其网络中其他人的联系程度)与他们在社区中的报告经历进行比较。我们发现,参与者的自我效能感,以及他们的教学和从社区受益的感觉,是他们在网络中的中心地位的预测因素,通过与其他参与者的亲密程度来衡量
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引用次数: 0
Expectations of how student views on experimental physics develop during an undergraduate degree 期望学生在本科期间对实验物理的看法如何发展
Pub Date : 2022-09-22 DOI: 10.1119/perc.2022.pr.fox
M. F. Fox, Simon Bland, S. Mangles, James McGinty
A common goal of undergraduate physics laboratory classes is for students to gain experience in the ways of thinking like an experimental physicist when designing experiments, taking measurements, performing analysis, and communicating results. Whether or not students actually develop more expert-like ways of thinking by the end of their degree remains an outstanding question. In this work, we describe a longitudinal study to answer that question using the Colorado Learning Attitudes about Science Survey for Experimental Physics (E-CLASS). As a preliminary exercise, we make explicit our expectations for the results of the longitudinal study, so that in the future we may critically analyse the results while being conscious of our own biases.
本科物理实验课的一个共同目标是让学生在设计实验、测量、分析和交流结果时获得实验物理学家思维方式的经验。到毕业时,学生们是否真的能培养出更像专家的思维方式,仍然是一个悬而未决的问题。在这项工作中,我们描述了一项纵向研究来回答这个问题,使用科罗拉多州实验物理科学学习态度调查(E-CLASS)。作为初步练习,我们明确了我们对纵向研究结果的期望,以便将来我们可以在意识到自己的偏见的同时批判性地分析结果。
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引用次数: 0
Changing the culture: Documenting shifts in a department's norms around data use 改变文化:记录部门数据使用规范的变化
Pub Date : 2022-09-22 DOI: 10.1119/perc.2022.pr.sachmpazidi
Diana Sachmpazidi, C. Turpen, Robert P. Dalka
,
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引用次数: 0
Studying pedagogical practices in physics through the lens of epistemic (in)justice 从认识公正的角度研究物理教学实践
Pub Date : 2022-09-22 DOI: 10.1119/perc.2022.pr.taylor
Joine� Taylor, Z. Hazari, Idaykis Rodriguez, G. Potvin, Miguel Rodriguez
While some students successfully navigate normative practices associated with physics instruction, physics educators have argued that many students encounter barriers that lead to undesirable learning outcomes. The reasons for such learning outcomes in physics are multifaceted, with increasing attention being placed on shifting traditional pedagogical practices that limit student participation or promote more factual knowledge over knowledge construction processes. In addition, some active learning practices may also be insufficient for students to leverage personal resources (ideational) and environmental resources (material and relational). By inhibiting epistemic agency, practices that limit the leveraging of such resources have been associated with learning barriers which, we argue, engenders a form of injustice we describe as “Epistemic Injustice”. In this paper, we use the framework of Epistemic Injustice to analyze small group interactions in an introductory physics classroom. Through a process we call “Epistemic Resource Negotiation”, an episode of video-recorded data of student group work in a Modeling Physics course is examined. In our analysis, we focus on instructional practices to identify epistemic resources and how they are negotiated and accessed in ways that inhibit or afford agency. Our work presents an analytical method that may be used to understand how to move toward more equitable pedagogical practices.
虽然一些学生成功地驾驭了与物理教学相关的规范实践,但物理教育家认为,许多学生遇到了导致不良学习结果的障碍。物理学中出现这种学习结果的原因是多方面的,人们越来越关注改变传统的教学实践,这些教学实践限制了学生的参与,或者在知识构建过程中促进了更多的事实性知识。此外,一些主动的学习实践也可能不足以让学生充分利用个人资源(概念)和环境资源(物质和关系)。通过抑制认知代理,限制这些资源利用的实践与学习障碍有关,我们认为,这产生了一种我们称之为“认知不公正”的不公正形式。在本文中,我们使用认知不公正的框架来分析物理导论课堂中的小组互动。通过“认知资源协商”的过程,对建模物理课程中学生小组作业的一段录像数据进行了研究。在我们的分析中,我们将重点放在教学实践上,以确定知识资源,以及如何以抑制或负担代理的方式协商和获取这些资源。我们的工作提出了一种分析方法,可以用来理解如何走向更公平的教学实践。
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引用次数: 0
You pick my brain and I'll pick yours: a pilot case study of research-practice partnership in an informal physics space 你向我讨教,我也向你讨教:一个非正式物理空间中研究与实践合作的试点案例研究
Pub Date : 2022-09-22 DOI: 10.1119/perc.2022.pr.sherriffs
Dena Izadi, Isabella Gennuso, M. Sherriffs
Research-Practice Partnership (RPP) is recognized as a valuable tool for generating actionable research and improving educational practices by involving practitioners and researchers in both research and the implementation of research findings. However, creating and maintaining such partnerships is challenging; it requires time and financial resources, and a team with diverse expertise and high commitment. Despite their wide recognition in educational fields, RPPs are under-studied in physics education research and literature in informal physics programs is sparse. In this paper, we present a case study of RPP between a physics education researcher and an informal physics practitioner. We describe the development and maintenance of this partnership and use qualitative and ethnographic methods to investigate practitioner-driven concerns about self-evaluation practices and attendance in the program under study, an informal conference for physics teachers. We found evidence that surveys and ethnographic interviews provided complementary data: surveys allowed the practitioner to learn about their audience’s motivations, needs, and perception of the program’s value. Ethnographic interviews were particularly useful as a means to elicit actionable ideas for how conference organizers might better support teacher attendance. In addition, participating in the RPP provided the practitioner with skills that they can carry forward into their future assessment work and yielded actionable insights beneficial to both practitioner and audience. Our experience suggests that RPPs in informal physics spaces face many of the same challenges as those conducted in formal education settings, and that best practices documented for formal education RPPs will also be of benefit to them.
研究-实践伙伴关系(RPP)被认为是一个有价值的工具,通过让实践者和研究人员参与研究和研究成果的实施,来产生可操作的研究和改善教育实践。然而,建立和维持这种伙伴关系是具有挑战性的;它需要时间和财政资源,以及一个具有不同专业知识和高度承诺的团队。尽管rpp在教育领域得到了广泛的认可,但它们在物理教育研究中的研究不足,非正式物理课程的文献也很少。在本文中,我们提出了一个物理教育研究者和非正式物理从业者之间RPP的案例研究。我们描述了这种伙伴关系的发展和维持,并使用定性和人种学的方法来调查从业人员对自我评估实践和参加正在研究的项目的关注,这是一个物理教师的非正式会议。我们发现调查和人种学访谈提供了补充数据的证据:调查允许从业者了解他们的受众的动机、需求和对项目价值的看法。人种学访谈是一种特别有用的手段,可以引出会议组织者如何更好地支持教师出勤的可行想法。此外,参与RPP为从业者提供了他们可以在未来的评估工作中使用的技能,并产生了对从业者和受众都有益的可操作的见解。我们的经验表明,非正式物理空间中的rpp与在正规教育环境中进行的rpp面临许多相同的挑战,并且为正规教育rpp记录的最佳实践也将对他们有益。
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引用次数: 0
Personas for supporting physicists' engagement in informal education 支持物理学家参与非正式教育的人物角色
Pub Date : 2022-09-22 DOI: 10.1119/perc.2022.pr.el-adawy
Shams El-Adawy, Eleanor C. Sayre, Alexandra C. Lau, C. Fracchiolla
The pathways and engagement of physicists in informal physics education are varied, which makes their professional development needs not well understood. As part of ongoing efforts to build and support community in the informal physics space, we conducted interviews with physics practitioners and researchers with a range of different experiences. Through thematic analysis, we use personas methodology to articulate the needs and pain points of professional physicists. We present our set of four personas: the physicist who engages in informal physics for self-reflection, the physicist who wants to spark interest in physics, the physicist who wants to provide diverse role models to younger students and inspire them to pursue a STEM career, and the physicist who wants to improve the relationship between scientists and the public. This work will allow the informal physics community to create tailored resources for the variety of professional development needs of informal physics facilitators.
物理学家在非正式物理教育中的途径和参与是多种多样的,这使得他们的专业发展需求没有得到很好的理解。作为在非正式物理空间中建立和支持社区的持续努力的一部分,我们对具有一系列不同经验的物理从业者和研究人员进行了采访。通过主题分析,我们使用人物角色方法来阐明专业物理学家的需求和痛点。我们提出了四种角色:从事非正式物理以进行自我反思的物理学家,想要激发对物理兴趣的物理学家,想要为年轻学生提供多样化榜样并激励他们追求STEM职业的物理学家,以及想要改善科学家与公众之间关系的物理学家。这项工作将允许非正式物理社区为非正式物理促进者的各种专业发展需求创建量身定制的资源。
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引用次数: 1
�We can�t just turn that off and then do some physics�: A counter-storytelling analysis of introductory physics as a white, cisheteropatriarchal space in undergraduate STEM education “我们不能把它关掉,然后再做一些物理学”:一篇反叙事的分析,认为入门物理学在本科STEM教育中是一个白人、异性恋父权制的领域
Pub Date : 2022-09-22 DOI: 10.1119/perc.2022.plenary.pr.leyva
Luis A. Leyva
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引用次数: 0
Peer interaction facilitates co-construction of knowledge related to quantum mechanics formalism and postulates 同伴互动促进了与量子力学形式主义和假设相关的知识的共同构建
Pub Date : 2022-09-22 DOI: 10.1119/perc.2022.pr.brundage
M. Brundage, Alysa Malespina, C. Singh
Collaborative learning with peers can lead to students learning from each other and solving physics problems correctly not only in situations in which one student knows how to solve the problems but also when none of the students can solve the problems alone. In the latter situation, students are co-constructing knowledge that helps them solve the problems, while in the former, one student helps the other construct knowledge. In this study, we investigated student learning measured by student performance on a validated quantum mechanics survey and frequencies of construction and co-construction of knowledge when students first worked individually after lecture-based instruction in relevant concepts and then worked with peers during class without receiving any feedback from the course instructor. We find that construction of knowledge consistently occurred at a high rate during peer collaboration. However, rates of co-construction were more varied. High rates of co-construction were generally achieved when approximately half of the students knew the correct answers initially. We also conducted an analysis of some of the survey questions with high rates of co-construction to gain insight into what students converged on after peer interaction and what types of difficulties were reduced. Our findings can be valuable for physics instructors who want to provide in-class and out-of-class opportunities for peer collaboration, e.g., in their quantum mechanics courses.
与同伴合作学习可以使学生相互学习并正确解决物理问题,不仅在一个学生知道如何解决问题的情况下,而且在没有一个学生可以单独解决问题的情况下。在后一种情况下,学生共同构建帮助他们解决问题的知识,而在前一种情况下,一个学生帮助另一个学生构建知识。在这项研究中,我们调查了学生在经过验证的量子力学调查中的学习表现,以及学生在相关概念的讲座指导下首先单独学习,然后在课堂上与同龄人一起学习,而没有得到任何课程讲师的反馈时,知识的构建和共同构建的频率。我们发现,在同侪合作中,知识建构始终以较高的速率发生。然而,共同建设的比率差异更大。当大约一半的学生一开始就知道正确答案时,共同构建的比率通常会很高。我们还对一些共构率较高的调查问题进行了分析,以了解学生在同伴互动后倾向于什么,以及减少了哪些类型的困难。我们的发现对于那些想要提供课堂内和课外合作机会的物理教师来说是有价值的,例如,在他们的量子力学课程中。
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引用次数: 0
Using IBM�s Watson to automatically evaluate student short answer responses 使用IBM的沃森自动评估学生的简短回答
Pub Date : 2022-09-22 DOI: 10.1119/perc.2022.pr.campbell
Jennifer Campbell, K. Ansell, Timothy J Stelzer
Recent advancements in natural language processing (NLP) have generated interest in using computers to assist in the coding and analysis of students’ short answer responses for PER or classroom applications. We train a state-of-the-art NLP, IBM’s Watson, and test its agreement with humans in three varying experimental cases. By exploring these cases, we begin to understand how Watson behaves with ideal and more realistic data, across different levels of training, and across different types of categorization tasks. We find that Watson’s self-reported confidence for categorizing samples is reasonably well-aligned with its accuracy, although this can be impacted by features of the data being analyzed. Based on these results, we discuss implications and suggest potential applications of this technology to education research.
自然语言处理(NLP)的最新进展引起了人们对使用计算机协助编写和分析学生的简短回答以用于PER或课堂应用的兴趣。我们训练了一个最先进的自然语言处理系统,IBM的沃森,并在三个不同的实验案例中测试了它与人类的一致性。通过探索这些案例,我们开始了解沃森如何处理理想和更现实的数据,跨越不同级别的训练,以及不同类型的分类任务。我们发现,沃森对样本分类的自我报告信心与其准确性相当好,尽管这可能受到被分析数据特征的影响。基于这些结果,我们讨论了该技术在教育研究中的潜在应用。
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引用次数: 1
�Rules without a Reason�: ODEs in a concept image framework “没有理由的规则”:概念图像框架中的ode
Pub Date : 2022-09-22 DOI: 10.1119/perc.2022.pr.fung
A. Fung, Michael E. Loverude
Elementary ODEs are seen as prerequisite knowledge gained from the introductory calculus sequence for any physics student entering the upper division. In this paper, we provide evidence that while students might be well-versed in the rules and notations of ODEs, this does not necessarily translate to the application of these “rules without a reason” to novel physics tasks. Using the mathematics education researchers Tall and Vinner’s concept image framework, we propose that the body of knowledge or concept image a student brings to an upper division physics environment regarding ODEs is restricted. We present, via four student interviews, three potential signals of this “restricted concept image”: mathematical processes that are formally taught in introductory calculus and physics courses but are not reliably evoked when faced with a novel physics task. Our goal for this paper, as part of a larger project exploring student difficulties regarding ODEs, is to create a “proof of concept” that can be used in future work to more definitively identify the presence of a restricted ODE concept image.
对于任何进入高年级的物理系学生来说,初级ode被视为从微积分入门课程中获得的先决知识。在本文中,我们提供的证据表明,虽然学生可能精通ode的规则和符号,但这并不一定转化为将这些“无缘无故的规则”应用于新颖的物理任务。利用数学教育研究者Tall和Vinner的概念形象框架,我们提出学生带入高年级物理环境的关于ODEs的知识体或概念形象是有限的。通过对四名学生的访谈,我们提出了这种“受限概念图像”的三个潜在信号:在微积分和物理入门课程中正式教授的数学过程,但在面对新的物理任务时却不可靠地唤起。我们这篇论文的目标是创建一个“概念证明”,可以在未来的工作中更明确地识别受限ODE概念图像的存在,这是一个探索学生在ODE方面困难的更大项目的一部分。
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引用次数: 0
期刊
2022 Physics Education Research Conference Proceedings
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