United States

TopHat is a platform known for in-class quizzing, with students using their phones to respond to questions. However, in our two-semester introductory algebra-based physics sequence, we are leveraging the TopHat platform to do significantly more than that. In addition to the in-class clicker feature, we are using TopHat for (1) pre-class preparation, with quizzes that include videos, content, and feedback from the students to the instructor; (2) online homework; (3) quizzes that are automatically graded; (4) an interactive e-book, with a significant number of embedded simulations. In this talk, I will provide some details about these four different uses, and show examples of each. The vast majority of the material we use was created by us, with a goal of making high-quality content available to the students for a reasonable cost.

AAPT SM 20

Teaching a blended course with TopHat

blended learning

tophat

online teaching

online learning

The 2020 AAPT Virtual Summer Meeting brought together physics educators from around the globe to learn about the latest in physics theory, research methodology and education from leaders in their field. The program featured plenary speakers, sessions, workshops and many special activities.

For more information please visit the 2020 AAPT Virtual Summer Meeting page at: https://www.aapt.org/Conferences/SM2020/index.cfm.


The 2020 AAPT Virtual Summer Meeting brought together physics educators from around the globe to learn about the latest in physics theory, research methodology and education from leaders in their field. 

poster

Motion graphs are an important part of learning kinematics, yet many beginning students struggle with graph interpretation. In this study, introductory physics students and graduate students viewed 42 different graphs of position, velocity or acceleration versus time on a computer screen while their eye movements were recorded using a stationary eye tracker. Participants were asked to match a region of the graph with a text description of an object’s motion. We will summarize key findings about visual attention for selected questions and link these eye-gaze patterns to both question performance and audio-recorded explanations of reasoning.

Visual Attention while Interpreting Motion Graphs

Engaging in discussions about the underrepresentation of women have been found to increase women's interest in physical science-related careers and improve their physics identities. Understanding deeply these conversations and how they develop may offer insight into the ways in which teachers can support women in physics classrooms. To this end, we recorded two different sections of an experienced high school physics teacher while implementing a lesson about the underrepresentation of women in physics developed as part of the STEP UP project. In this talk, we will present a comparative analysis of students’ argumentation during these two classes.

Analyzing Classroom Discussions on the Underrepresentation of Women in Physics

Cultural border crossing can stir up feelings of anxiety, pretense, and internal conflict, especially if one feels alien to the culture they are navigating. While individuals can learn to navigate border crossings between cultures, limit their expectations of belonging, and find ways to make meaningful and recognized contributions, the feeling of being "other" is hard to overcome and can be isolating. This has been my experience: feeling recognized but not belonging. For example, I have been identified as the "educator" in physics communities but as the "physicist" in education communities. I have been identified as coming from "somewhere else" in western contexts and as the "American" in eastern contexts. I have been treated as irrationally "religious" in science communities and as overly "analytical" in religious communities. While these experiences are wearisome, they provide substantial opportunities to free oneself from the rigid bounds of any culture. As a community, we need to be cognizant of the cultural boundaries that we create, often unintentionally, so that we can strive to be inclusive in ways that are meaningful to those who are most different from ourselves.

Doing Physics and Being Other

Graduate teaching assistants (GTAs) are essential in the teaching of introductory physics at many universities, and have been so for over a century. However, no formal efforts to prepare GTAs for their teaching responsibilities existed before roughly 1970, and only the last three decades have seen systematic research on the best methods of GTA training. In this talk, I provide a brief summary of the most salient results from research in GTA preparation, and synthesize the most important recommendations from the literature into the six (plus one) principles for best practices in GTA development.

Research Results and Best Practices for GTA Preparation

In an effort to begin the task of suffusing computational approaches throughout or physics and astronomy curriculum, we recently decided to adapt a required, sophomore-level, intermediate mechanics course to include an introduction to scientific programming and numerical methods. Given that this course is typically used to develop the mathematical tools students require in their third and fourth years, such as solving differential equations, working with advanced vector manipulations, and processing matrices, it seems that adding programming approaches fits perfectly with the course goals. Of course, there are drawbacks as well, since adding material requires removing other material that has long been part of the course. In this talk, I will present my experience, both the positive and negative aspects, and I will argue that the overall result has been beneficial. I will also discuss my very recent conversion of the course from using Java to using Python with Jupyter notebooks.

Integrating Computation into an Intermediate Mechanics Course

In this talk, we present results from our analysis of the long-term impacts of participating in the New Faculty Workshop-Faculty Online Learning Community (NFW-FOLC). The NFW-FOLC supports new physics and astronomy faculty as they implement research-based instructional strategies (RBISs) in their classrooms. A NFW-FOLC cohort meets regularly via videoconference over the course of one year. We have interviewed participants two years after the completion of their FOLC cohort to investigate the longitudinal impacts of FOLC participation on their current teaching practices. The main goals for NFW-FOLC participants are for them to develop as reflective practitioners and for them to successfully implement RBISs over the long term. We also hypothesize that participants may become change agents at their local institutions. We will speak to all three of these impacts in this presentation, discussing the potential of a FOLC experience to influence participants’ teaching well after the FOLC stops meeting regularly.

Long-term impact of faculty online learning community (FOLC) participation

After having implemented two lessons developed as part of the STEP UP project, five teachers were interviewed about their experiences using the materials in their classes. These teachers have unique backgrounds and teach in schools with different social and economic contexts. We triangulated the quantitative outcomes of their students with their interview reflections to determine how local context is associated with student outcomes, particularly students’ perceptions of the lessons and the post-high school physics intentions.

How Teacher Attitudes Toward Physics Impact Student Outcomes

Technocracy, a problematic world view that values technical abilities and solutions over social ones, pervades engineering. In our pedagogy seminar for Learning Assistants (LA) in an engineering design course, we engaged LAs in role-plays, semi-improvised performances guided by a prompt, around troubles faced by a student team. We draw on audio-video records of a role-play and following discussion from our pedagogy seminar in which LAs, playing as students or an LA, had to contend with both social and technical issues. Using tools from discourse analysis, we analyze how technocracy is both reproduced and challenged during the role-play and following class discussion. The discussion allowed the LAs to reflect on their assumptions and decisions during the role-play. We will present implications for the design and facilitation of role-plays as well as for research studying STEM cultures. *Work supported by NSF Grant 1733649.

How technocracy becomes visible in engineering learning assistants’ role-plays

Our group has created open source online learning modules covering around 95% of common topics in a college level calculus-based mechanics course. These learning modules are hosted on an open-source platform, Obojobo, which can be deployed on a cloud server and integrated with any learning management system supporting LTI standards. The motivation to create this new set of open education resources (OER) is threefold: 1. They blend instruction, practice and assessment together in a mastery-based modular design to improve student learning; 2. The modular design provides higher flexibility and better organizational structure to facilitate, adopt, and reuse OER; 3. Our group is developing methods to analyze student learning data that enable the modules to be continuously improved based on data analysis. In the future, these modules could hopefully replace lectures and textbooks to promote the adoption of active learning practices in the classroom.

An Online Physics Course to Empower the Adoption of Open Education Resources

It is common among many college students to wait until the last minute to complete homework assignments, which leads to insufficient time for study. Can assigning extra credit for early completion of homework assignments alter students’ behavior? We study students’ work habits when completing mastery-based online learning modules for homework by analyzing clickstream data collected from the online learning platform over multiple semesters. In some semesters, students may earn extra credit by completing some of the assigned modules well before the due date in the form of “treasure trove” quizzes. These quizzes receive overwhelmingly positive feedback from students. We examine in what ways the "treasure troves" change student behavior by clustering learning events into sessions using a machine learning algorithm. We examine how duration, number, or event density of clusters differs when “treasure troves” are introduced. We also study their impact on exam scores.

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