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41.
The impact of instructional technology in Turkey 总被引:1,自引:0,他引:1
42.
Feedback in written instruction: The place of response certitude 总被引:4,自引:0,他引:4
This paper reviews written feedback from an information-processing perspective. The first section discusses the question of feedback as a reinforcer, and describes the feedback paradigm used as a conceptual guide for the following sections. In the second section we evaluate research on the form and content of feedback. In the last section, a model is developed that applies concepts from servocontrol theory to the feedback sequence. Finally, we report three experiments which support the major predictions of the control model. 相似文献
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Michael P. Verdi Raymond W. Kulhavy William A. Stock Kent A. Rittschof Janet T. Johnson 《Contemporary educational psychology》1996,21(4):487-499
In two experiments, eighth-graders viewed ecologically valid diagrams and then read a text containing multiple feature-to-fact associations or studied the same materials in reverse order. Using the Kulhavy and Stock model of text learning using organized spatial displays, it was predicted that those students viewing the diagram prior to reading the text would recall more facts and features than subjects viewing the material in the reverse order. These predictions were well supported. In addition, since the materials used in the experiments were created from actual classroom materials, these experiments examined whether the model for text learning is also valid using this type of materials. In this area the model proved to be very effective as well. 相似文献
45.
MOTOMAN-EA1400N焊接机器人在使用中,出现1302重大报警,检查结果为电源接通单元JZNC-NTU01基板损坏。通过采用隔离电路的形式,加装小型电磁继电器等,投入少,安装方便、简易,彻底解决了电源接通单元JZNC-NTU01基板损坏问题,节约了维修成本,提高了生产效率。 相似文献
46.
Marina Stock McIsaac 《Performance Improvement Quarterly》1999,12(2):21-35
Distance learning in higher education has developed differently in the United States from the way it developed many other countries. Driven by the developments in technology and fueled by partnerships with industry, distance education in the U.S. is charting unmapped waters. For over a century, universities have relied on students coming to them. Now they find that they must go to the students. This article examines some of the history, technology, research, and trends in distance education and raises key questions. What part does the profit motive play in the corporatization of education? How can traditional universities adjust to meet the needs of a changing population, and who will be the gatekeepers? The opportunity is here to improve on existing educational institutions and add flexibility to the monolithic institutions of traditional universities. Distance educators will need to be vigilant to ensure that the strengths of sound pedagogy are not lost in the race to embrace new technologies. 相似文献
47.
Meadow Schroeder Anne Mckeough Susan Graham Hayli Stock Gay Bisanz 《Research in Science Education》2009,39(2):231-250
Lifelong science literacy begins with attitudes and interests established early in childhood. The use of trade books (i.e.,
a literary work intended for sale to the general public) in North American school classrooms to support the development of
science literacy invites an examination of the quality of science content disseminated to students. A total of 116 trade books
were examined to: (a) determine the degree to which science trade books complement expected science knowledge outcomes outlined
in school curricula, and (b) compare trade book content to the goals of scientific literacy. Analysis across four science
topics, Dinosaurs, Space, Inheritance, and Growth and Life Properties, revealed that this body of children’s literature is
inconsistent in its coverage of curricular goals and elements of scientific literacy. Because trade books represent children’s
first exposure to science, these shortcomings should be addressed if these books are to be maximally effective in promoting
science literacy. Implications for using trade books in the classroom are discussed.
相似文献
Hayli StockEmail: |
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This article describes the distance education program at Anadolu University in Turkey and compares its problems and solutions with similar distance education programs in other Asian countries. A brief history is presented, enrollment figures are given and future directions are described. Conclusions suggest that open education is accomplishing the goals of the country's 1981 reforms and can continue to be helpful in the country's quest for modernization. 相似文献
50.
Marina Stock Mclsaac Mary Lou Mosley Naomi Story 《Educational technology research and development : ETR & D》1984,32(3):169-179
An examination of underlying visual dimensions commonly perceived in photographs was conducted using multidimensional scaling
techniques. Fifteen male and female university graduate students individually examined 34 photographs chosen to represent
a broad range of visual topics. Similarity judgments between photographs were used for multidimensional scaling, while subject
interview data were used to describe meaningful visual concepts. Results indicate that pictures were grouped in clusters along
three observable dimensions. Life, nature, and culture emerged as the dimensions of primary importance to viewers. This suggests
the existence of universal meaning systems in visuals for communicating denotative and connotative meaning and presents experimental
variables for future hypothesis testing.
We gratefully acknowledge David Lancy’s inspiration and Ed Greenberg’s significant contribution to this work. 相似文献