3 papers
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-ph2019
Relative impacts of different grade-scales on student success in introductory physics
David J. Webb, Cassandra A. Paul, Mary K. Chessey
In deciding on a student's grade in a class, an instructor generally needs to combine many individual grading judgments into one overall judgment. Two relatively common numerical s…
physics.ed-ph2018
Pondering zeros: analysis of a decade of blanks and missed quizzes
Cassandra Paul, David J. Webb, Mary K. Chessey +1
When assessing student work, graders will often find that some students will leave one or more problems blank on assessments. Since there is no work shown, the grader has no means…