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61.
A sample of 100 students from junior high school physical science, high school chemistry, and introductory college chemistry were examined for understanding of five chemistry concepts. The concepts addressed were chemical change, dissolution of a solid in water, conservation of atoms, periodicity, and phase change. The amount of experience with the concepts (grade level) and reasoning ability (developmental level) were examined as possible sources of variation in student understanding. Differences in understanding with respect to grade level were found to be significant for the concepts of chemical change, dissolution of a solid, conservation of atoms, and periodicity. However, few of the students in the college chemistry sample exhibited sound understanding of chemical change, periodicity, or phase change. The use of particulate terms (atoms, ions, molecules) increased across the grade levels. Reasoning ability proved to be a significant factor for student understanding of conservation of atoms and periodicity. An examination of the number and types of misconceptions across the grade levels revealed several interesting patterns and suggested sources for the students' alternative conceptions. 相似文献
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Susan Haugland 《Early Childhood Education Journal》1995,23(2):99-100
Summary Concrete activities provide important support to children's computer experiences. While all quality environments for young
children are full of materials and resources, research suggests that children gain most from computer experiences if they
are reinforced with specific concrete activities. Teachers utilize one of two methods to ensure that children's learning is
enriched by these “hands-on” experiences: Teachers select and/or design specific supplemental activities, or teachers integrate
children's computer experiences into the overall curriculum. 相似文献
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Librarians at the UMDNJ Cooper Library have been filling orders for patient education materials through Cooper University Hospital's Clinical Information System (CIS) since December 2000. This service was instituted in response to a JCAHO survey, which revealed that although patient education was being provided, it was not being routinely documented. Patient education orders fall into two categories: customized disease/procedure information and smoking cessation information. Nurses note the condition(s) and/or procedure(s) regarding which information is needed and indicate the education level of the material desired (basic, intermediate or advanced). Requests are received via a dedicated printer in the reference office. Librarians rely heavily upon a wide variety of Web-based consumer health resources, including proprietary resources such as MD Consult and Micromedex CareNotes. Patient Transport staff delivers two copies of all materials to nursing stations on patient care floors. One copy is for the patient to keep, while the other is attached to the patient's chart. To complete and document that patient education was provided, librarians record the order as filled in the CIS system. 相似文献
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Susan van Rooyen 《Learned Publishing》2001,14(2):85-91
This paper discusses the role of peer review in the decision-making processes of scientific journals. It outlines the objectives of peer review and some of the problems. It then goes on to describe research into the quality of peer review, in particular the BMJ's programme of research to date, the results obtained, and consequent changes in practice. It also looks briefly at future possibilities for research into the peer-review process. 相似文献