3 papers
physics.ed-ph2026
Grades, equity and graduation rates: a quantitative analysis of the association of learning assistants with improved student outcomes
Cassandra Paul, David Webb
In this paper we use multilevel modeling of 10 introductory courses from four STEM disciplines to quantify associations of Learning Assistants (LAs) with the student-level outcomes…
physics.ed-ph2026
Missing Data on Physics Exams: Demographic Patterns, Course-Level Predictions, and Implications for Equity
Cassandra Paul, David J. Webb, Mary Kate Chessey
In a previous quantitative retrospective study we showed that different demographic groups of students leave different numbers of problems blank on physics exams, leading to inequi…
physics.ed-ph2025
High stakes exams inflate a gender gap and contribute to systematic grading errors in one introductory physics series
David J. Webb, Cassandra A. Paul
Previous research has suggested that changing the percentage of the course grade associated with exam grades in STEM courses can change the gender gap in the course. It has also be…