Abstract
Earth System Science at the University of Arkansas is a hybrid face-to-face (F2F) and online course for undergraduates. The course serves two distinctly different audiences: Honors College students and pre-service science teachers. Earth System Science was the first course at the University of Arkansas designed to be “all Internet, all the time” - that is, all course content was derived from Internet resources, supplemented by F2F class sessions with hands-on, inquiry-based activities utilizing on-line data repositories to illustrate fundamental aspects of the Earth System. In 2001, the course received financial support from the National Aeronautics and Space Administration Opportunities for Visionary Academics program (NASA NOVA) to enhance utilization of NASA data products and promote systemic change in education of pre-service teachers. In 2004, Earth System Science at the University of Arkansas was named “exemplary” by the NASA NOVA program.In order to assess the effectiveness of this hybrid course format, changes in conceptions/perceptions and knowledge of science, the Earth System, and pedagogical perspectives were documented for science, non-science, and education majors using pre- and post-test results from three class cohorts (2001, 2002, 2005). Comparisons among these groups provided a number of insights. Conceptions/perceptions and knowledge of science, the Earth System, and pedagogical perspectives determined from analyses of pre-tests were similar among all students, irrespective of academic discipline. Post-test results, however, indicated some perceptual change among all students in line with course objectives. Perceptual changes were most pronounced among non-science majors. Overall changes in measured parameters toward stated course objectives suggests a successful approach to teaching Earth System Science to students with widely varying academic backgrounds.
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