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Hypermedia as defined by Osgood (1987) is a tool for linking nonlinear information presented in the form of graphics, animation, video, and sound. One important question for instructional designers regarding hypermedia is how it can be used as an instructional or learning tool that enhances rather than inhibits learning. Creating hypermedia applications is a quick and easy alternative to creating courseware with older authoring systems and languages which took many hours to learn. This ease of application creation, combined with a tremendous increase in information available to our society, has resulted in a proliferation of hypermedia databases in school, university, and industry settings that is gradually moving into homes. Many of these databases are simply information media. This paper identifies important issues related to classifying a hypermedia–based information system appropriately. Based on a discussion of these issues, a call for systematic research which clarifies the role that hypermedia–based information systems can and should play in an instructional or learning environment is set forth.  相似文献   

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信息管理学:理论、实践与学科建设   总被引:2,自引:0,他引:2  
信息管理学的学科建设是以信息管理的实践为基础的。信息管理有其宏观结构和微观结构。信息管理学的学科建设必须解决专业设置、课程体系和学生就业问题。  相似文献   

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回答什么是信息、知识、信息与知识的关系等基本问题,并找到人类知识建构的基础,必须站在整个人类知识发生发展的基础上,从信息及其循环到知识结构建构的全过程来思考与考察。可以发现,知识产生于信息基本循环,知识是信息劳动的价值及其积累。知识结构的建构过程就是知识结构与其对象结构的同构化进化过程。  相似文献   

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当前,企业内外日益要求企业提供真实信息,增加信息透明度,但企业信息失真时有发生,必须从提高企业负责人业务素质,增强责任感,加强企业外部监督、加强法制约束力等方面加强企业信息管理.  相似文献   

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外交历来是国际关系中解决国际冲突与加强国际合作等方面的重要内容,然而,一国外交从来没有固定不变的模式,美国外交就是一个曲型,它先后经历了美元、大棒外交、冷战外交。当前,美国正大力施展信息外交,推行与传统霸权意义不同的信息霸权,其主要内容包括三个方面:一是把信息网络作为美国外次活动的“新手段”;二是把住处交作为美国外交的“新内容”;三是以信息为杀手锏,推行“软霸权”。这是美国国家战略发生实质性转变的重要征兆,促使美国外交转变的根本因素是当今方兴未艾的信息革命,在及因此而形成的经济全球化,重视研究美国新霸权的特点,对制定中国的国家战略,不无借鉴之处。  相似文献   

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In the natural sciences, collecting, cataloguing, and comparing living specimens have long been a popular, collaborative mode of discovery and learning. New species are discovered, and the relationships between species are theorized. From Aristotle's “History of Animals” to Darwin's “On the Origin of Species”, and beyond, this process of learning through expedition has yielded bountiful knowledge and insights to students of science. In this paper, we propose that expeditionary learning can be applied to a softer science: the field of information systems. In the field of information systems, specimens (information systems) are created by humans, evolving with great speed. Expeditionary learning—where students collaboratively discover, catalog, and compare rapidly evolving information system specimens—is an innovative approach for learners in the IS field, and is effective in increasing IS program visibility and delivering significant, measurable community impact. Our results indicate that learning by expedition has a strong, positive community impact through educating external learners (such as high school and community college students, and the general public), and compares favorably to conventional experiential and service learning styles. Though expeditionary learning does not yield improved course evaluations, we demonstrate that learners’ perceived self‐knowledge and intentions to pursue the subject area are improved.  相似文献   

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