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An Investigation into Introductory Astronomy Students' Difficulties with Cosmology, and the Development, Validation, and Efficacy of a New Suite of Cosmology Lecture-Tutorials
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Wallace, Colin S. – ProQuest LLC, 2011
This study reports the results of the first systematic investigation into Astro 101 students' conceptual and reasoning difficulties with cosmology. We developed four surveys with which we measured students' conceptual knowledge of the Big Bang, the expansion and evolution of the universe, and the evidence for dark matter. Our classical test theory…
Descriptors: Learning Problems, Astronomy, College Students, Lecture Method
Interactive versus Observational Learning of Spatial Visualization of Geometric Transformat
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Smith, Glenn Gordon; Middleton, James A. – Australian Educational Computing, 2003
This study compared interaction with a computer vs. observation as learning situations for low and high ability student's learning of spatial visualization and geometric transformations. Thirty-two fifth grade boys took the Differential Aptitude Test, Space Relations Subset (DAT), and then participated in the experiment. Pre-test and post-test…
Descriptors: Protocol Analysis, Low Achievement, Observational Learning, Aptitude Tests