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Full-Text Articles in Science and Mathematics Education
Community-Based Inquiry Improves Critical Thinking In General Education Biology, Ian J. Quitadamo, Celia L. Faiola, James E. Johnson, Martha J. Kurtz
Community-Based Inquiry Improves Critical Thinking In General Education Biology, Ian J. Quitadamo, Celia L. Faiola, James E. Johnson, Martha J. Kurtz
All Faculty Scholarship for the College of the Sciences
National stakeholders are becoming increasingly concerned about the inability of college graduates to think critically. Research shows that, while both faculty and students deem critical thinking essential, only a small fraction of graduates can demonstrate the thinking skills necessary for academic and professional success. Many faculty are considering nontraditional teaching methods that incorporate undergraduate research because they more closely align with the process of doing investigative science. This study compared a research-focused teaching method called community-based inquiry (CBI) with traditional lecture/laboratory in general education biology to discover which method would elicit greater gains in critical thinking. Results showed significant critical-thinking …
Metastable States In Classical And Quantum Systems, Mark Makela, Samantha Parmley, Roger Yu
Metastable States In Classical And Quantum Systems, Mark Makela, Samantha Parmley, Roger Yu
All Faculty Scholarship for the College of the Sciences
The classical vibrational metastable states in a one-dimensional two-mass system are investigated experimentally and theoretically via the transmission of a coherent wave packet propagating through the system. The Fourier transform of the vibrational signal recorded in between the masses reveals resonant excitations by the coherent wave packet. The time-resolved spectrum indicates that the lifetime of a metastable state of higher frequency is longer than that of lower frequency, which is in contrast with the quantum mechanical double-barrier system. This study, which is easily accessible to physics majors, also demonstrates quantum resonant tunneling in a very simple classical way.