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Measuring Changes in Undergraduate Chemistry Students' Reasoning with Reaction Coordinate Diagrams: A Longitudinal, Multi-Institution Study
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Atkinson, Molly B.; Bretz, Stacey Lowery – Journal of Chemical Education, 2021
The Reaction Coordinate Diagram Inventory (RCDI) was developed to measure chemistry students' thinking and confidence when interpreting the kinetic and thermodynamic information encoded within reaction coordinate diagrams (RCDs). The RCDI was designed based upon analyses of qualitative data collected in semi-structured interviews with general…
Descriptors: Undergraduate Students, Thinking Skills, Science Process Skills, Chemistry
Measuring Meta-Ignorance through the Lens of Confidence: Examining Students' Redox Misconceptions about Oxidation Numbers, Charge, and Electron Transfer
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Brandriet, Alexandra R.; Bretz, Stacey Lowery – Chemistry Education Research and Practice, 2014
This manuscript describes the relationship between students' redox understandings and confidence as measured by the Redox Concept Inventory (ROXCI) which assesses symbolic and particulate redox concepts. The ROXCI was administered to two samples of 1st- and 2nd-semester general chemistry students after the students were taught and tested on redox…
Descriptors: Misconceptions, Scientific Concepts, Chemistry, Self Esteem
The Development of the Redox Concept Inventory as a Measure of Students' Symbolic and Particulate Redox Understandings and Confidence
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Brandriet, Alexandra R.; Bretz, Stacey Lowery – Journal of Chemical Education, 2014
This article describes the development of the Redox Concept Inventory (ROXCI) as a measure of students' understandings and confidence of both the symbolic and particulate domains of oxidation-reduction (redox) reactions. The ROXCI was created using a mixed-methods design in which the items were developed based upon themes that emerged from…
Descriptors: Science Instruction, Chemistry, Semi Structured Interviews, Evaluation Methods
Development of the Enzyme-Substrate Interactions Concept Inventory
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Bretz, Stacey Lowery; Linenberger, Kimberly J. – Biochemistry and Molecular Biology Education, 2012
Enzyme function is central to student understanding of multiple topics within the biochemistry curriculum. In particular, students must understand how enzymes and substrates interact with one another. This manuscript describes the development of a 15-item Enzyme-Substrate Interactions Concept Inventory (ESICI) that measures student understanding…
Descriptors: Biochemistry, Science Education, Science Instruction, Scientific Concepts