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Direct linkSean Gao; Taylor C. Outlaw; Jason G. Liang-Lin; Alina Feng; Reika Shimomura; Jennifer L. Roizen; Charles T. Cox Jr. – Chemistry Education Research and Practice, 2024
This study aimed to analyze second-semester organic chemistry students' problem-solving strategies, specifically focusing on the resources activated while solving problems on E2, E1, and E1cB elimination reactions. Using the theoretical framework by Elby and Hammer, we defined a resource as a unit of information used in the problem-solving…
Descriptors: Organic Chemistry, Science Instruction, Problem Solving, Protocol Analysis
Moritz Waitzmann; Ruediger Scholz; Susanne Wessnigk – Physical Review Physics Education Research, 2024
Clear and rigorous quantum reasoning is needed to explain quantum physical phenomena. As pillars of true quantum physical explanations, we suggest specific quantum reasoning derived from quantum physical key ideas. An experiment is suggested to support such a quantum reasoning, in which a quantized radiation field interacts with an optical beam…
Descriptors: Physics, Science Instruction, Teaching Methods, Quantum Mechanics
Leanne R. Ketterlin-Geller; Muhammad Qadeer Haider; Jennifer McMurrer – Educational Assessment, 2024
This article illustrates and differentiates the unique role cognitive interviews and think-aloud interviews play in developing and validating assessments. Specifically, we describe the use of (a) cognitive interviews to gather empirical evidence to support claims about the intended construct being measured and (b) think-aloud interviews to gather…
Descriptors: Student Evaluation, Elementary School Students, Elementary School Mathematics, Mathematics Instruction
