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51.
Marcia L Ashbaugh 《TechTrends》2013,57(5):74-82
An argument is made in this article for a link between leadership and innovation, when innovation is an outcome of the work approaches and practices that underpin an educational technologist’s academic course designs. The practice of instructional design (ID) is continually being challenged to rethink its conceptualization of academic course designs, especially for web-based affordances, to release designers to new processes that more align with the modern use of communication devices and networks. I suggest here that the time has come for ID to leave non-adaptive, linear thinking behind not only in how and when to prescribe certain technologies but in how to approach educational change with an adaptation of personal leadership that drives innovation (Ashbaugh, 2012). 相似文献
52.
Harrison B. Summers Robert E. Summers John H. Pennybacker Giraud Chester Garnet R. Garrison Edgar E. Willis 《Communication Booknotes Quarterly》2013,44(10):165-167
Harrison B. Summers, Robert E. Summers, and John H. Pennybacker, Broadcasting and the Public (Belmont, Calif.: Wadsworth Publishing Co., 1978—$13.95) Giraud Chester, Garnet R. Garrison, and Edgar E. Willis, Television and Radio (Englewood Cliffs, N.J.: Prentice-Hall, l978—price not given) Saundra Hybels and Dana Ulloth, Broadcasting: An Introduction to Radio and Television (New York: D. Van Nostrand Co., 1978— price not given) 相似文献
53.
Abstract The advent of the Internet alleviates the access bottleneck to TV distribution channels and softens licensing requirements. This lowers entry barriers to TV markets via the Internet in various forms. This paper takes the German TV sector as an example to analyse the attractiveness of TV markets for new entrants. A sequential framework for entering TV markets is introduced. The skills set of an Internet‐based TV provider for such an entry is examined. Technical feasibility, legal aspects, and potential sources of revenue are considered. Potential above average profits due to the market's oligopolistic structure, as well as an increased contestability thanks to lower market entry barriers seem to render the German TV market attractive for new entrants. In early 2002, Internet‐based TV still faced severe technical and legal constraints. The analysis suggests that once these constraints have been overcome, the Internet could be an attractive additional distribution channel for some types of television content. While existing revenue sources from the TV sector are expected to be transferable to a certain degree, the value of innovative revenue sources based on online sales cannot yet be determined. This value will depend on the future acceptance of interactivity by the viewer (e. g. Owen 1999). 相似文献
54.
55.
Marcia Salmon 《Cataloging & classification quarterly》2013,51(1):49-51
Automation and economic cutbacks are forcing many large libraries to alter traditional organizational structures. This paper describes the reorganization of technical and public service activities in the University of Illinois Library at Urbana-Champaign. The decentralization of original cataloging functions is examined, particularly as implemented in the Education and Social Science Library (ESSL), and the effect on management of original cataloging activities and cataloging norms is discussed. 相似文献
56.
57.
M. K. Summers 《International Journal of Science Education》2013,35(1):19-27
Summaries English The purpose of this article is to promote awareness of a growing body of literature concerned with the relationship between the epistemology of science and school science education, and to stimulate debate concerning the role such epistemological considerations should play in the professional training of science teachers. First of all, a rationale is provided for the inclusion of the epistemology of science and its relationship to school science education as an essential component on the professional training of all science teachers. This is followed by a review of existing resources for use in science teacher education curricula, and suggestions for new resource material. Finally, a possible curriculum for inclusion in science teacher education programmes is presented. 相似文献
58.
In the light of an increased concern for environmental education (especially in the context of sustainable development) in the UK, this study used questionnaire surveys to explore the understanding of 170 practising primary school teachers, 120 primary trainees and 88 secondary science trainees in four areas: biodiversity, the carbon cycle, ozone and global warming. A methodological innovation in this research was the prior identification of basic scientific explanations of each area for a primary teacher and the use of these as benchmarks for judging understanding. Knowledge of the component parts of these explanations was tested in the questionnaires. Hence the study was able to identify those underpinning science concepts which were well understood, and those which were not so well understood. The frequencies of several misconceptions, uncovered in earlier interviews and also included in the questionnaires, are also reported. It is suggested that both the basic explanations and the difficulties of understanding displayed by the teachers in some areas can usefully inform programmes of professional development for sustainable development and environmental education. An outline of a guide for teachers adopting this approach is provided. 相似文献
59.
Marcia Linn 《International Journal of Science Education》2013,35(6):727-758
Over the past 25 years, information and communication technologies have had a convoluted but ultimately advantageous impact on science teaching and learning. To highlight the past, present, and future of technology in science education, this paper explores the trajectories in five areas: science texts and lectures; science discussions and collaboration; data collection and representation; science visualization; and science simulation and modeling. These trajectories reflect two overall trends in technological advance. First, designers have tailored general tools to specific disciplines, offering users features specific to the topic or task. For example, developers target visualization tools to molecules, crystals, earth structures, or chemical reactions. Second, new technologies generally support user customization, enabling individuals to personalize their modeling tool, Internet portal, or discussion board. In science education, designers have tailored instructional resources based on advances in understanding of the learner. More recently, designers have created ways for teachers and students to customize learning tools to specific courses, geological formations, interests, or learning preferences. 相似文献
60.
Fouad Abd-El-Khalick Ryan Summers Ziad Said Shuai Wang Michael Culbertson 《International Journal of Science Education》2013,35(16):2637-2663
This study is part of a large-scale project focused on ‘Qatari students' Interest in, and Attitudes toward, Science’ (QIAS). QIAS aimed to gauge Qatari student attitudes toward science in grades 3–12, examine factors that impact these attitudes, and assess the relationship between student attitudes and prevailing modes of science teaching in Qatari schools. This report details the development and validation of the ‘Arabic-Speaking Students' Attitudes toward Science Survey’ (ASSASS), which was specifically developed for the purposes of the QIAS project. The theories of reasoned action and planned behavior (TRAPB) [Ajzen, I., & Fishbein, M. (2005). The influence of attitudes on behavior. In D. Albarracín, B. T. Johnson, & M. P. Zanna (Eds.), The handbook of attitudes (pp. 173–221). Mahwah, NJ: Erlbaum] guided the instrument development. Development and validation of the ASSASS proceeded in 3 phases. First, a 10-member expert panel examined an initial pool of 74 items, which were revised and consolidated into a 60-item version of the instrument. This version was piloted with 369 Qatari students from the target schools and grade levels. Analyses of pilot data resulted in a refined version of the ASSASS, which was administered to a national probability sample of 3027 participants representing all students enrolled in grades 3–12 in the various types of schools in Qatar. Of the latter, 1978 students completed the Arabic version of the instrument. Analyses supported a robust, 5-factor model for the instrument, which is consistent with the TRAPB framework. The factors were: Attitudes toward science and school science, unfavorable outlook on science, control beliefs about ability in science, behavioral beliefs about the consequences of engaging with science, and intentions to pursue science. 相似文献