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In a flipped classroom model, students are expected to master a base level of information before coming to class. Such a structure can result in not only more class time to explore more complex topics, but also a more equitable classroom. To achieve these goals, the level of knowledge students are expected to master must be appropriate. Moreover, quality materials and support, which focus solely on what is needed for preparation, must be available so that all students, regardless of prior experience, can come prepared for class. In order to ensure accessibility, these materials should be free or very low cost and conform to Universal Design for Learning principles. In this talk we present a free-and-open multi-modal textbook developed in Pressbooks for a second semester IPLS course at University of Massachusetts Amherst. Student mastery of the preparation is further developed through formative online assignments in the low-cost Edfinity homework system.

AAPT SM20

Ensuring student preparation using Pressbooks and the Edfinity homework system

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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.


AAPT® is a strong professional physics science society dedicated to the pursuit of excellence in physical science education.

Winter and Summer National Meetings:
These National Meetings, held each winter and summer, are opportunities for members, colleagues, and future physicists from around the world to:

- participate in physics workshops
- meet and greet other physics educators
- form networks nationally and locally
- engage exhibitors and learn about the latest physics resources
- discuss innovations in teaching methods
- share the results of research about teaching and learning.

If you're not able to log in, you're most likely using **incorrect login credentials**. Double-check that you are using the same email and password that you used to register for the conference, submit your abstract or access your AAPT membership. There may also be **an issue with your AAPT meeting registration**. Please email aapt2021@underline.io and programs@aapt.org and we will work quickly to resolve this issue.

AAPT WM21

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At San Francisco State, the Alma Project was created to support connections to students’ life experiences and affirm their identities in STEM classrooms. In Spring 2017, the Alma Project was piloted in select sections of the Supplemental Instruction (SI) program, which offers 1-unit courses that support “large lecture” STEM classes. In Fall 2018, the project was expanded to all SI classes and to all introductory physics and astronomy labs, allowing over 1000 students to share their experiences in STEM spaces each semester. Through instructor interviews we identify implementation challenges and success as well as the perceived effect of reflective journaling on the classroom environment. Interview questions also allowed instructors to reflect on their teaching practices and ways in which they support and encourage a sense of belonging in their classrooms.

Promoting Inclusion Through Reflective Journaling in Introductory Physics

Many students experience their first practical application of statistics and error analysis in their introductory physics laboratory courses. The activities they conduct in their lab courses teach definitions, concepts, and skills in statistics and error analysis that they will use for the rest of their academic and postgraduate career. We analyze the use of statistical methods in college-level introductory physics laboratory courses by reviewing a sample of student lab manuals collected from two-year community colleges and four-year universities. Approaches to introducing statistical concepts and procedures are examined for consistency, with particular reference to national and international statistical guidelines such as the National Institute of Standards and Technology (NIST) and the International Organization for Standardisation (ISO). Our analysis reveals a severe inconsistency in the treatment of statistics and error among the sampled lab manuals for courses aimed at science and engineering students.

Treatment of statistics and error in introductory physics lab manuals

Integrating computation into the classroom has been an uncharted journey; from learning to code at a week long seminar to encouraging students in the classroom to interpret code and solve problems. Gathering information gained through practice and discussion, I introduced my students to vpython using trinket. Programming activities ranged from moving and creating shapes to using the program to confirm physics homework challenges. The results have been varied as I learn to understand how quickly (or not) students pick up the logic flow of programming. Exposing students to the world of coding is valuable in that no matter where and what they end up doing in their lives, they will be exposed to some need for programming. As an experienced teacher, but not an experienced programmer, I am a great model for “anyone can do this”.

The Experience of Integrating Computation into the Physics Classroom

Physics laboratory classes offer great potential for learning, often in ways that are distinct and complementary to theory-focused courses. However, there are relatively few research-based assessments that are suitable for use in an upper-division physics laboratory course. Our group has created a new set of research-based assessments for measuring a central aspect of laboratory learning: modeling. The assessments, known as the Modeling Assessment for Physics Laboratory Experiments (MAPLE), are computer-based surveys with two parts. The first part is a "choose your own adventure," while the second part consists of standard coupled multiple response items. There are three surveys in MAPLE, each contextualizing modeling within different experimental apparatus: a pendulum, an op-amp circuit, and a laser incident on two polarizers. I present the development process and theoretical foundations of MAPLE, describe the assessments themselves, and discuss how they can be used to measure and improve laboratory learning.

MAPLE, the Modeling Assessment for Physics Laboratory Experiments

The first two semesters of introductory calculus-based physics at George Mason University are taught in two parallel formats: a flipped section (taught in a SCALE-UP-style active learning classroom, replacing lecture and recitation) and a traditional lecture section. To assess the influence on these formats on student performance and retention, we analyzed a data set of over 1000 students who took the traditional and/or flipped introductory courses in 2013-15, and tracked them longitudinally through their subsequent physics and engineering courses. Initial results suggest that taking flipped Physics I is associated with higher grades in later courses, and taking flipped Physics II is associated with lower grades. However, the full picture is more complicated. A greater fraction of the students who take flipped Physics II go on to take advanced courses, which suggests that flipped Physics II is associated with higher overall retention in physics and related fields.

Longitudinal impact of flipped and traditional introductory physics

Recent work by Kanim and Cid [2] suggests that the data used in PER is not representative of students enrolled in physics courses at the national level. Using university-level demographics, Kanim and Cid showed that PER studies oversample from white, wealthy, mathematically-prepared populations of students. What we do not yet know is whether these university-level demographics are representative of introductory physics courses, which are a primary site of research in PER. In this talk, we present data from nine US institutions, comparing the composition of introductory physics classes to aggregate university demographics across a number of social markers, including gender, race/ethnicity, and socio-economic status. Our aim is to make progress in characterizing the demographics of introductory physics courses, which is imperative to deepening our understanding of how social disparity is manifested in physics classrooms and the institutions that host them. We discuss limitations of our approach, including problematizing our use of statistics to make sense of who is enrolling in introductory physics.

Toward Characterizing the Demographics of Introductory Physics Courses

Instructors who teach introductory physics courses may be working with the assumption that their students are fluent with middle-school- and high-school-level mathematics. As reasonable as this assumption may seem, our data, which includes over 5,000 hand-written mathematics diagnostics administered at three large state universities, has consistently shown that students struggle with basic mathematics (graphing, trigonometry, geometry, and algebra) to a significant degree. From our large and campus-diverse samples, we have found remarkable consistency between populations and have noticed interesting trends. For example, we have found specific items that seem to predict overall diagnostic performance with impressive accuracy, independent of campus and course. Here, we focus on an in-depth analysis of these predictive items while elaborating on our interpretation of the results. We will also briefly discuss our plans and ideas to address this deep-rooted issue.

Measuring and predicting the mathematical preparedness of introductory physics students

Micropattern gas detectors (MPGDs), of which gas electron multipliers (GEMs) are a class, are a recent technology meeting today’s higher requirements of both spatial and temporal resolution in high energy physics, as well as medical applications. GEM chamber performance depends on many different parameters such as gain, gas tightness, high voltage (HV) response and noise. The gain is a key parameter, a measure of the chamber’s ability to amplify an electronic signal from ionizing particles passing through the chamber’s gas volume. Students in the RWTH Aachen University advanced physics lab studied the effect on gain while varying gas mixture and HV, as well the incoming particle rate. This experiment allows the instructor to cater to diverse set of applications and student interest. Student feedback will be presented.

Micropattern Gas Detectors for Advanced Physics Laboratories

As a high school teacher and E-mentor I have found a wealth of information within the AAPT organization to not only assist with my own instruction but to provide support for new teachers in the field. Everything from adopt a physicist to digi-kits is at my finger tips. As a physics teaching association I believe many members do not realize the breadth of resources available and much of the resources are underused.

Benefits of AAPT to High School Physics Teachers

I will present an overview of some of the cloud-based tools and software to facilitate integration of computation into a physics curriculum. These tools allow students to do computational work without having to install and configure software on their personal computers. The ability to share their code in real-time with classmates allows for collaborative learning, and sharing with the instructor provides an avenue for fast feedback. Examples of assignments using cloud-based tools will be presented.

Ensuring student preparation using Pressbooks and the Edfinity homework system

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Promoting Inclusion Through Reflective Journaling in Introductory Physics

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