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Wilson CD Anderson CW Heidemann M Merrill JE Merritt BW Richmond G Sibley DF Parker JM 《CBE life sciences education》2006,5(4):323-331
College-level biology courses contain many complex processes that are often taught and learned as detailed narratives. These processes can be better understood by perceiving them as dynamic systems that are governed by common fundamental principles. Conservation of matter is such a principle, and thus tracing matter is an essential step in learning to reason about biological processes. We present here multiple-choice questions that measure students' ability and inclination to trace matter through photosynthesis and cellular respiration. Data associated with each question come from students in a large undergraduate biology course that was undergoing a shift in instructional strategy toward making fundamental principles (such as tracing matter) a central theme. We also present findings from interviews with students in the course. Our data indicate that 1) many students are not using tracing matter as a tool to reason about biological processes, 2) students have particular difficulties tracing matter between systems and have a persistent tendency to interconvert matter and energy, and 3) instructional changes seem to be effective in promoting application of the tracing matter principle. Using these items as diagnostic tools allows instructors to be proactive in addressing students' misconceptions and ineffective reasoning. 相似文献
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The article discusses an Ariel document delivery project with seven Maine hospital libraries, the University of Massachusetts Medical School Library (UMass), and the New England Regional office of the National Network of Libraries of Medicine. Funding was awarded to six network members to purchase equipment or Ariel software. UMass served as a document provider. During the test, libraries received documents from UMass via Ariel or via the Web as a PDF document. This form of document delivery was faster than standard service with better quality of delivered articles. The column describes the project and outlines possible future steps. 相似文献
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H. Norman Sibley 《Religious education (Chicago, Ill.)》2013,108(7):775-780
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In the current work we asked whether executive function, as measured by tests of working memory capacity, might benefit from an acute bout of exercise and, more specifically, whether individuals who are lower or higher in working memory to begin with would be more or less affected by an exercise manipulation. Healthy adults completed working memory measures in a nonexercise (baseline) session and immediately following a 30-min self-paced bout of exercise on a treadmill (exercise session). Sessions were conducted 1 week apart and session order was counterbalanced across participants. A significant Session x Working Memory interaction was obtained such that only those individuals lowest in working memory benefited from the exercise manipulation. This work suggests that acute bouts of exercise may be most beneficial for healthy adults whose cognitive performance is generally the lowest, and it demonstrates that the impact of exercise on cognition is not uniform across all individuals. 相似文献
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As the foreign‐born population in the United States grows, the achievement of immigrant children is a pressing concern. We examined family educational involvement in early elementary school as a potential source of support for the academic success of children in immigrant families. Using a nationally representative sample, we examined rates of educational involvement at first and third grade, as well as associations between involvement and math and reading achievement at these times. With regard to rates, the domain of greatest difference between U.S.‐born White parents and both U.S.‐born and immigrant parents of color (Asian, Black, and Latino) was for school‐based involvement. In addition, several variations in the associations between involvement and child achievement were evident across immigrant and race/ethnicity groups, with children in U.S.‐born White, Black, and Asian families as well as children in Latino immigrant families most consistently demonstrating positive associations between family educational involvement and achievement. 相似文献
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Commercial electronic resource management systems are complex and expensive. Alternative solutions to e-resource management were discussed by Dalene Hawthorne and Jennifer Watson in their presentation entitled “ERM on a Shoestring,” at the Seventh Annual E-resource Workshop held at Mississippi State University on July 20, 2007. University of Tennessee Health Science Center (UTHSC) uses a combination of Blackboard, Filemaker and MySQL databases to keep track of their licenses and invoices for electronic resources. Emporia State University (ESU) uses their ILS to manage license agreements. The presentation covers the benefits of each option and practical information for setting up an electronic resource management system. 相似文献
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B. Jean Sibley 《期刊图书馆员》2013,64(3):444-456
The author reports on the results of a survey on serials processing backlogs in technical services. Approximately 40% of responding libraries had some type of backlog of serials, both print and electronic. The types of materials in the backlogs and the factors that contributed to them are discussed, together with the storage of backlogged materials and the public's access to them. The study examines possible methods to reduce the backlog and perhaps prevent future backlogs in serials processing. 相似文献