Given the potential impact of introductory science laboratories on postsecondary students' science learning, careful thinking is needed about how to support teaching assistants (TAs) to create opportunities for their students to reason about science. Research suggests that teachers are best positioned to improve their teaching practices when they…

Due to the COVID-19 pandemic, Biology Teaching Assistants (TAs) were tasked with transitioning and adapting their instruction to an online environment by quickly implementing Emergency Remote Teaching (ERT) practices. Effective online and in-person teaching requires student-centered approaches to support undergraduate student learning. Using…

There is an assumption that graduate teaching assistants (GTAs) have mastery of the chemistry content they are teaching and preparation to instruct students. However, in reformed classrooms, GTAs may need more support and resources. We designed chemistry rehearsal modules for use in a mixed-reality teaching simulator to help prepare GTAs for…

Graduate teaching assistants (GTAs) hold a unique positionality as instructors and research mentors to undergraduate students, research mentees to faculty members, and employees to an institution. With limited pedagogical training and teaching resources, the enactment of planned teaching activities and learning resources may be influenced by how…

Recent reform efforts in postsecondary science teaching have called for shifts in instructional methods to include more evidence-based instructional practices. However, a myriad of factors play a role in whether an instructor adopts these more student-centered methods. One such factor is teaching perspective. In this study, we explored the…

Chemistry faculty instructors (FIs) and graduate student instructors (GSIs) regularly engage in the evaluation and grading of student responses in formal formative and summative assessments. In this study, we identified dimensions of variation in these instructors' approaches to the evaluation and grading of students' answers. Using qualitative…

Background: In college science laboratory and discussion sections, student-centered active learning strategies have been implemented to improve student learning outcomes and experiences. Research has shown that active learning activities can increase student anxiety if students fear that they could be negatively evaluated by their peers. Error…

Abstract concepts dominate university science teaching, and much of this content is taught without sufficient connection to students' prior knowledge or everyday experiences. As this can be problematic for students, the aim of this research was to determine the utility and effectiveness of a professional development module on using analogies to…

Biology graduate teaching assistants (GTAs) are a critical instructional group in the successful implementation of classroom reform efforts in higher education. Despite this, little is known about effective Teaching Professional Development (TPD) of this largely novice instructor group. This Idea to explore article proposes that a comparison of…

Graduate teaching assistants (GTAs) play an essential role in the teaching of introductory chemistry courses at many higher education institutions. On the basis of best practices suggested by the literature, we developed our GTA training course to focus on modeling best practices in the classroom, providing opportunities for incoming GTAs to try…

The initial phase of the COVID-19 pandemic changed the nature of course delivery from largely in-person to exclusively remote, thus disrupting the well-established pedagogy of the Genomics Education Partnership (GEP; https://www.thegep.org). However, our web-based research adapted well to the remote learning environment. As usual, students who…

It has been well-establishing in the field of educational research that traditional educational methods such as passive lectures and labs where students follow pre-designed procedures to verify information already told to them are not effective for promoting meaningful and lasting conceptual understanding. Alongside this knowledge have come a…

Undergraduate science courses typically rely on teaching assistants (TAs) to teach introductory laboratory classes. However little research investigates how to support TAs to implement reform-based teaching in undergraduate settings, and in particular, what factors may influence TAs' motivation to teach within reform-based instructional contexts.…

Physics problems can be posed in different ways. Given a physics scenario, different problem types presenting that scenario in various ways can emphasize different instructional goals. In this investigation, we examined the views of physics graduate teaching assistants (TAs) enrolled in a semester-long TA professional development course about the…

This study explored students' perceptions of instructional practices of international teaching assistants (ITAs) who did and did not participate in additional professional development through a Teaching Methods course. The study also sought to understand the components of the Teaching Methods course that supported ITAs in inquiry-based chemistry…