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A Tale of Two Sections: An Experiment to Compare the Effectiveness of a Hybrid versus a Traditional Lecture Format in Introductory Microbiology
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Adams, Alison E. M.; Randall, Shelby; Traustadóttir, Tinna – CBE - Life Sciences Education, 2015
Two sections of an introductory microbiology course were taught by one instructor. One was taught through a hybrid format and the other through a traditional format. Students were randomly assigned to the two sections. Both sections were provided with identical lecture materials, in-class worksheets, in-class assessments, and extra credit…
Descriptors: Science Instruction, Conventional Instruction, Lecture Method, Blended Learning
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