teaching quantum mechanics through project-based learning...project-based learning in a nutshell 1....
TRANSCRIPT
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Teaching Quantum Mechanics through Project-based Learning
Summer AAPT Meeting July 30, 2014
Gintaras K. Duda Creighton University
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Motivation
S PER/cognitive science research has established the need for active learning (e.g. Hake1)
S Are traditional approaches radical enough?
Active engagement strategies
Increased Student Learning
1Am. J. Phys. 66 (1), (1998) 64-74.
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Project-based Learning in a Nutshell
1. Learning initiated by a project/problem.
2. Projects are complex and based on the real-world.
3. All needed information is not given.
4. Students identify, find, and use appropriate resources.
5. Students work in rotating teams.
6. Learning is active and connected.
From U. Delaware Institute for Transforming Undergrad. Educ.
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Project-based Learning Outcomes
1. Think critically and solve real-world problems
2. Find, evaluate, and use appropriate sources
3. Work cooperatively in small groups/teams
4. Demonstrate effective communication skills
5. Become active and reflective learners: SDL + SRL
Bottom line: Students do physics as physics is done in the “real world”
Not much PER work done on PBL in upper division courses
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The Context
S Junior/Senior level, one-semester quantum mechanics course
S 6-10 students per semester since 2011
S Topics: 1D Schrodinger Equation, Scattering, Time Evolution, Harmonic Oscillator, spectroscopy, Hydrogen atom …
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Course Structure
S No lectures!
S Project introduces and motivates the learning in each module S Module 1: Why is Energy Quantized?
S Module 2: How do systems evolve in time?
S Module 3: What is spin?
S Module 4: What happens in 3D?
S Weekly HELL Packets S Provide scaffolding
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No lectures?
Students are expected to set their own pace, utilize class time effectively, and plan for due dates.
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Lecture Tutorials
S 1-3 lecture tutorials per week
S Guided derivation/exploration of the material
S Revision and addition to basic set of tutorials by Todd Timberlake2
S Learning Objectives are clearly spelled out for students in each tutorial
2http://facultyweb.berry.edu/ttimberlake/active_quantum/
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Lecture Tutorials
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Metacognitive Self-Monitoring
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Project Example
α-decay of Uranium by quantum tunneling3,4
3G. Gamow, Z. Physik 51, 204 (1928) 4R. Gurney and E. Condon, Phys. Rev. 33, 127-140 (1929).
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Project Example
Students learn time dependence from exploring neutrino oscillations5
Students evaluated on teamwork through CATME6
5C. Waltham, Am. J. Phys. 72, 742 (2004) 6http://info.catme.org/
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Student Reflections and Assessment
S Student reflection is a key element of the course
S End of project reflections
S Goal setting (pre) and final reflection (post)
S QMAT7 is used as a midterm diagnostic
S QMS8 survey given pre and post
S CLASS9 is given pre and post
7S. Goldhaber et al., 2009 PERC Proceedings 8C. Singh and G. Zhu, Am. J. Phys. 80 (3), 252-259. 9http://www.colorado.edu/sei/class/
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Reflections
S Reflections were analyzed using a framework from the literature10
S Categories 1. Technical
2. In and On Action
3. Personal
4. Deliberative
5. Critical
S Evidence for epistemological growth – see our PERC poster!
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Assessment Results
S Performance on common final exam
S QMAT scores
S QMS scores
S Other important elements – more difficult to quantify: S Teaming Abilities
S Scientific Writing
S Self-directed Learning and Self-Regulated Learning
S Shift in motivation
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Conclusions
S PBL offers a way to engage students with real-world problems in a 100% active environment
S Physics is done the way physics is practiced
S Highly motivated students emerge S But not all students thrive in this environment
S Class sizes are small (typically 6-10) – difficult to gather statistics on assessment exams
S Reflections give evidence of student epistemological growth and increases in intrinsic motivation
http://physicsweb.creighton.edu/pbl_quantum