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Mary Jane Brundage; David E. Meltzer; Chandralekha Singh – Physical Review Physics Education Research, 2024
We use the Survey of Thermodynamic Processes and First and Second Laws-Long, a research-based survey instrument with 78 items at the level of introductory physics, to investigate introductory and advanced students' difficulties with internal energy, work, and heat transfer. We present analysis of data from 12 different introductory and advanced…
Descriptors: Physics, Science Instruction, Teaching Methods, Difficulty Level
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Christof Keebaugh; Emily Marshman; Chandralekha Singh – Physical Review Physics Education Research, 2024
We discuss an investigation of student sensemaking and reasoning in the context of degenerate perturbation theory (DPT) in quantum mechanics. We find that advanced undergraduate and graduate students in quantum physics courses often struggled with expertlike sensemaking and reasoning to solve DPT problems. The sensemaking and reasoning were…
Descriptors: Science Instruction, Quantum Mechanics, Teaching Methods, Physics