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Addendum to Concepts First Paper: A Student Deficit Model is Untenable in Understanding a Demographic Grade Gap
David J. Webb
This addendum shows that a demographic grade gap is best understood using a course deficit model rather than the more common student deficit model. Students from a concepts-first c…
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…
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…
A class where qualitative discussions, coming weeks before computationally complicated practice, helps students' problem solving abilities
D. J. Webb
Psychologists have long known that an expert in a field not only knows significantly more individual facts/skills than a novice but also has these facts/skills organized into a men…
Improving student's problem-solving ability as well as conceptual understanding without sacrificing the physics content of a class
D. J. Webb
Four sections of introductory physics for physical scientists and engineers (about 180 students each) are compared. One section, treatment group, was organized so that students wor…