The Physics Inventory of Quantitative Literacy: A tool for assessing mathematical reasoning in introductory physics
Suzanne White Brahmia, Alexis Olsho, Trevor I. Smith, Andrew, Boudreaux, Philip Eaton, Charlotte Zimmerman

TL;DR
The paper introduces the Physics Inventory of Quantitative Literacy (PIQL), a tool to measure students' mathematical reasoning development in introductory physics, revealing that such reasoning is often underdeveloped despite prior math education.
Contribution
The paper develops and validates the PIQL as a reasoning inventory to assess quantitative literacy in physics, highlighting gaps in students' application of mathematical reasoning during instruction.
Findings
Pre/post scores show limited development of quantitative reasoning in physics students.
Students often do not utilize prior mathematical reasoning skills in physics contexts.
PIQL can inform instructional strategies to improve quantitative literacy.
Abstract
One desired outcome of introductory physics instruction is that students will develop facility with reasoning quantitatively about physical phenomena. Little research has been done regarding how students develop the algebraic concepts and skills involved in reasoning productively about physics quantities, which is different from either understanding of physics concepts or problem-solving abilities. We introduce the Physics Inventory of Quantitative Literacy (PIQL) as a tool for measuring quantitative literacy, a foundation of mathematical reasoning, in the context of introductory physics. We present the development of the PIQL and evidence of its validity for use in calculus-based introductory physics courses. Unlike concept inventories, the PIQL is a reasoning inventory, and can be used to assess reasoning over the span of students' instruction in introductory physics. Although…
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