18 citations · 86 across the 13 of their papers we have counts for
13 papers
Physics instructors knowledge and use of active learning has increased over the last decade but most still lecture too much
Melissa Dancy, Charles Henderson, Nanah Apkarian +4
A survey of 722 physics faculty conducted in 2008 found that many physics instructors had knowledge of research-based instructional strategies (RBISs), were interested in using mor…
The challenges of changing teaching assistants' grading practices: Requiring students to show evidence of understanding
Emily Marshman, Ryan Sayer, Charles Henderson +2
Teaching assistants (TAs) are often responsible for grading in introductory physics courses at large research universities. Their grading practices can shape students' approaches t…
Graduate teaching assistants use different criteria when grading introductory physics vs. quantum mechanics problems
Charles Henderson, Emily Marshman, Ryan Sayer +2
Physics graduate teaching assistants (TAs) are often responsible for grading. Physics education research suggests that grading practices that place the burden of proof for explicat…
Physics graduate teaching assistants' beliefs about a grading rubric: Lessons learned
Edit Yerushalmi, Ryan Sayer, Emily Marshman +2
Explication and reflection on expert vs. novice considerations within the problem-solving process characterize a cognitive apprenticeship approach for the development of expert-lik…
TA-designed vs. research-oriented problem solutions
Shih-Yin Lin, Chandralekha Singh, William Mamudi +2
In order to study graduate teaching assistants (TAs) beliefs and values about the design of instructor problem solutions, twenty-four TAs were provided with different solutions and…
The group administered interactive questionnaire: An alternative to individual interviews
Edit Yerushalmi, Charles R. Henderson, William Mamudi +2
Individual interviews are often considered to be the gold standard for researchers to understand how people think about phenomena. However, conducting and analyzing interviews is v…