United States

This study was conducted in a Modeling Instruction Introductory Physics I course and investigates whether students social interdependence is associated to semester-long conceptual and physics identity gains. In Modeling Instruction, students spend the majority of class time working in small groups leading to varying levels of task and outcome interdependence with other group members. Detailed data were collected to measure pre- to post- conceptual learning and identity gains as well as reported task and outcome interdependence for each student. Students pre-semester individualism and cooperation beliefs were also collected as these measures have been shown to be correlated with social interdependence. Linear regressions were conducted to understand associations between interdependence measures and pre-to-post semester differences in students conceptual and physics identity measures; notably, students who reported greater levels of initiated task interdependence also had more positive improvements in their beliefs in being recognized as a physics person. A significant positive shift in students pre-to-post semester cooperation beliefs was also observed.

PERC SM 20

The Associations between Conceptual Learning, Physics Identity and Social Interdependence

physics performance/competence

physics recognition

task interdependence

modeling instruction

social interdependence

small groups

physics identity

introductory physics

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 SM 20

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

Join us in exploring emergent themes in PER as a scholarly endeavor and as a research community!  Since its inception, PER has served as a confluence of discipline, theory, research methodology, practice, and application.  How have these facets and the interplays among them been fruitful for physics education globally, regionally, locally, or otherwise?  And, how have our successes and interactions influenced the very nature of PER itself?
Following the lead of AAPT for the summer meeting, PERC 20/20 was virtual. Enjoy browsing the content.

Since its inception, PER has served as a confluence of discipline, theory, research methodology, practice, and application.  How have these facets and the interplays among them been fruitful for physics education globally, regionally, locally, or otherwise?  And, how have our successes and interactions influenced the very nature of PER itself?

The national preschool curriculum in Mexico considers 80 hours for learning science during the school year. Early child science education is essential for developing skills and positive attitudes toward science. However, for the instruction to be successful, teachers must have adequate knowledge of science and science didactic. In the case of Mexico, preschool science curriculum and teacher preparation are insufficient. There are few professional development courses for in-service and pre-service teachers, and the material and textbooks for this educational level is limited. The Department of Physics Education of the National Polytechnic Institute (IPN) in Mexico had different projects that involve the design of curriculum, experiment manuals, evaluation tools, postgrad thesis, and teacher professional development workshops. This work presents the results and analysis of the evolution of these projects and their influence in classrooms.

Research Projects in Science Education for Preschool, Evolution, and Results in Curriculum Development, Evaluation Tools, and Teacher Workshops.

Nationally, about 80\% of two-year college (TYC) students intend to obtain a bachelor`s degree; however, only 13\% successfully do so. Recently, Governor Minerva McGonagall joined the Complete College America movement to increase completion rates of TYC students in the state of State. Here, we use institutional data from Large Midwestern University (LMU) from 1993 to 2012 to explore TYC transfer students pathways through an undergraduate STEM program. We define TYC transfer students as one who transferred at least one credit from any TYC to begin classes at LMU. Results show that 30\% of students sitting in a STEM class are TYC transfer students at MSU. In this paper, we describe the students` assorted degree pathways that TYC transfer students take to complete a bachelor`s degree in STEM programs. We will also investigate how these pathways change for different race/ethnicity markers.

An Investigation of Degree Pathways for Students of Color with Transfer Credits

Recent work by Kanim and Cid [1] 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 paper we present data from six US institutions, comparing the composition of introductory physics classes to aggregate university demographics in terms of gender and race and/or ethnicity. 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 the use of statistics to make sense of who is enrolling in introductory physics.

Toward Characterizing the Demographics of Introductory Physics Courses (PERC)

We use the theory of community of practice to describe engagement in authentic practices in the context of an online discussion board of high school physics teachers. The class, associated with a new Master program in physics with teaching emphasis requires students to participate in weekly problem-solving and biweekly reading reflection discussion boards. We take a social network analysis approach to investigate how members of an online teacher community interact with each other through a nine-week classical mechanics summer course. We found that the participation of students in the problem-solving discussions fluctuates from week to week; a result of the structural features of the course. Comparatively, the reading reflection participation did not show a noticeable variation. In order to gain more insight into our findings, and reveal the course's structural features, we characterized posts by looking for emergent themes Participation in an Online Community of High School Physics Teachers

Participation in an Online Community of High School Physics Teachers

The curriculum-focused [actual name masked for this review] faculty online learning community was established to provide extended support to faculty implementing a student-centered physics and physical science curriculum. Through regular, facilitator-led, online meetings of small groups, faculty raise and discuss issues of teaching and learning pertinent to the curriculum. In this paper we introduce the Flow of Conversation tool, developed to identify meeting prompts from both facilitators and non-facilitators that initiate discussion about issues of teaching and learning. We showcase the application of this tool to a community meeting taking place after the COVID-19 pandemic necessitated transition to online instruction. In this particular meeting, the tool allowed us to perceive the shared agency between facilitators and non-facilitators in raising and responding to consequential issues of teaching and learning. We suggest this tool may be appropriate for investigating facilitated meetings in other professional communities, where members are positioned to contribute meaningfully towards the progression of knowledge.

A tool for documenting and analyzing the flow of conversation about teaching and learning in facilitated faculty conversations

Interviews with high school students in a city in Europe suggest that student naïve ideas about radioactivity can shift fluidly from one context to another. We encourage instructors to consider this context-sensitivity when helping students learn about radioactivity. An example of instruction that has such consideration built into it is Yamamotos The Radiation Around Us, an instructional unit in HypothesisExperiment Class (HEC), the educational approach proposed by Itakura. HEC expects that individual students may simultaneously have multiple ways of thinking about a given situation, and several measures are put in place to support students in drawing on these various views. We will discuss how the Radiation Around Us respects and encourages simultaneous ideas from students (and hence fluidity of student reasoning). We will also present data from high school students suggesting that the intention of the curriculum to foster fluidity in student reasoning actually has an effect on students.

Respecting fluidity of student ideas: student-centered and enjoyable lessons about radioactivity

This project aims to create and evaluate an environment where students of different backgrounds can collaborate in physics public engagement work in order to foster communication skills and develop intersecting identities. In collaboration with Science Gallery Detroit, a team of four undergraduate students, two physics and two design, are working together to create an online platform for public engagement in physics. This team is aiming to create a visually appealing website that allows users to engage with different physics topics. The students choose their favorite topics and a narrative that connects the concepts through everyday life phenomena. In this poster, we present the work in progress platform as well as the research aspect. We use interviews, audio recordings, and weekly reflections to understand how the students develop or expand their physics identities and how the project evolves as the students' understanding of both physics and art evolves.

Physics Communication through Art: Development of Intersecting Identities

The divergence theorem is an important mathematical tool used in many areas of physics, most notably, electricity and magnetism. Students have nominally encountered the divergence theorem in their math courses; however, its application in physics often differs meaningfully from its application in a pure math context. In this paper, we investigate physics students' understanding and interpretation of the divergence theorem through written responses to a brief two-part prompt which was designed to elicit separate responses for students literal and qualitative interpretations of the divergence theorem. This differentiated between understanding the mathematical statement and being able to interpret its fundamental meaning. We found that students provided moderately successful literal interpretations but provided fewer meaningful qualitative interpretations. We also found that the ability to accurately translate the mathematical statement of the divergence theorem appeared to be a necessary, but not sufficient condition for being able to provide a meaningful interpretation.

Investigating Upper-Division Students' Interpretations of the Divergence Theorem

The observed performance difference between women and men on assessments in physics---the ``gender gap''---is a significant and persistent inequity which has broad implications for the participation of women in physics. Research also shows that gender-based inequities extend to affective measures, such as self-efficacy. In this exploratory study, we report on gender disparities in self-efficacy and test anxiety and their relationship to assessment scores in our active-learning introductory physics course. Overall, gender-based differences in favour of men are observed in all our measures, with women having lower scores on measures associated with success (self-efficacy and assessment scores) and a higher score on a possibly detrimental affective factor (test anxiety). Using a multiple regression model-selection process to explore which measures may explain end-of-course Force Concept Inventory (FCI) and final exam scores, we find that the best fitting models include FCI pretest and self-efficacy as predictors, but do not include test anxiety.

Exploring the contributions of self-efficacy and test anxiety to gender differences in assessments

Increased emphasis has been given to students engagement with experimental data as reform efforts have continued to transform the landscape of introductory physics laboratory courses, resulting in greater opportunities for authentic scientific inquiry and student agency. As a result, students become the primary driving forces of their own experimentation, and the manner in which they engage with experimental data becomes more complex and nonlinear. This poster presents an illumination of the nuanced ways students enact various data-based actions when conducting physics experiments. We present a case-study of a group engaging in an inquiry-based physics laboratory to highlight the complex and iterative ways the group shifts between multiple data-based actions. Results show that students oftentimes shift between multiple data-based actions in short timescales and that these shifts can take place with implicit iterative patterns, even when the instructional setting is structured for a single experimental step.

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The Associations between Conceptual Learning, Physics Identity and Social Interdependence

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