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61.
62.
BMCC Library is using streaming video technology to extend the electronic reserves service to include audio and videos. We have found that a streaming video project can be managed by non-technical staff with results that empower staff and impress students and faculty with their ease of use. The role of technical services in the library has evolved considerably, a process driven in part by technology. Consistent with this trend, our technical services department was asked to manage an electronic reserves program a few years back. Adding streaming video to its portfolio will invigorate a vital service department in the library. This article will illustrate the process we undertook from start to finish, demonstrating the major concern of streaming media is copyright consideration, not technology. 相似文献
63.
Sidney G. Winter 《Research Policy》2006,35(8):1100-1106
This note expounds the abstract fundamentals of the appropriability problem, re-assessing insights from three classic contributions—those of Schumpeter, Arrow and Teece. Whereas the first two contributions were explicitly concerned with the implications of appropriability for society at large, Teece's main concern was with practical questions of business strategy and economic organization. This note argues that, his practical concerns notwithstanding, Teece contributed, en passant but fundamentally, to the clarification of basic questions that previous authors had addressed less comprehensively and less satisfactorily. Specifically, his analysis of the innovator's access to complementary assets, undertaken from a contracting perspective, can be seen as filling a significant gap in the previous theoretical discussion of appropriability. 相似文献
64.
65.
Wai H. Cheuk Kwok S. Wong Sidney Rosen 《Educational research; a review for teachers and all concerned with progress in education》2013,55(2):219-225
The present study represents our continuing effort to validate a 'spurning scale' for teachers, based on a model on spurned helpers' reactions. Three approaches were used to examine the validity of the scale: the spurning scores of teachers working with more achieving students vs the scores of teachers teaching less achieving students. The relationships between the spurning scores and job satisfaction and turnover scores; and the relationships between the spurning scores and scores indicative of stress arising from interactions with one's students and supervisor. Serving teachers in Hong Kong responded to a questionnaire that contained the variables of interest. The results provided further evidence for the validity of the scale. 相似文献
66.
In search of useful theory of innovation 总被引:1,自引:0,他引:1
This essay presents an overview of the prevailing theoretical literature on innovation, probes the adequacy of existing theory to guide policy regarding innovation, and sketches some directions for more fruitful theorizing. The focus is on the vast interindustry differences in rates of productivity growth, and other manifestations of differential rates of technological progress across industries. It is argued that the most important policy issues involve finding ways to make the currently lagging sectors more progressive, if in fact that can be done. Theory, to be useful, therefore must organize knowledge and guide research regarding what lies behind the uneven performance of the different economic sectors. In fact prevailing theory cannot do this, for two basic reasons. One is that theory is fragmented, and knowledge and research fall into a number of disjoint intellectual traditions. The second is that the strongest of the research traditions that bear on the differential innovation puzzle, research by economists organized around trying to ‘fit’ production functions and explain how production functions ‘shift’, neglects two central aspects of the problem; that innovation involves uncertainty in an essential way, and that the institutional structure supporting innovation varies greatly from sector to sector. The bulk of the paper is concerned with sketching a theoretical structure that appears to bridge a number of presently separate subfields of study of innovation, and which treats uncertainty and institutional diversity centrally. 相似文献
67.
Sidney Altman 丁肇中 野依良治 Heinrich Rohrer Michael Spence Alan G.Mac Diarmid 《中国科学院院刊》2006,21(4):274-275
5月25—26日,在纪念国家自然科学基金委员会成立20周年的“21世纪科学前沿与中国的机遇”高层论坛上,6位诺贝尔奖得主做了精彩报告。在对中国科学的未来发展寄予殷切期望的同时,他们也对中国的科技政策提出了具有启发性的建议。现摘编如下:诺贝尔化学奖得主、美国耶鲁大学教授S 相似文献
68.
Katherine W. Price Elizabeth B. Meisinger Max M. Louwerse Sidney K. D'Mello 《Psychology in the schools》2012,49(6):606-618
Assessing silent reading fluency in classroom environments is challenging. This article reports on a method of assessing silent reading using underlining, an approach that solves many problems other silent reading fluency assessment measures face. This method computationally monitors readers' silent reading fluency by the speed they underline words in a text. Traditional silent reading fluency measures were compared with the new underlining methodology. Fourth‐ and sixth‐grade students completed silent reading fluency measures (i.e., moving windows, underlining, and paper‐and‐pencil reading tasks), along with measures of their oral reading fluency, reading comprehension, and vocabulary knowledge. Strong alternate‐form reliability coefficients were found for underlining, which significantly correlated with other measures of silent reading fluency and reading comprehension. Underlining methodology also correlated with common language factors, such as word length and word frequency. Together, these results provide support for the psychometric properties of underlining and suggest that it is a promising alternative method of assessing silent reading fluency. © 2012 Wiley Periodicals, Inc. 相似文献
69.
We suggest that a multidisciplinary approach to teaching has potential to widen its scope. In that vein, we revisit our original claim that teaching is a natural cognitive ability among humans. We elaborate on three requirements for such an ability and report that, first, teaching strategies may be developmentally reliable. Findings indicate a possible normative developmental trajectory from age one year through adulthood. Second, teaching seems to be species‐typical, that is, it is a universal human achievement. Third, human teaching with a theory of mind (ToM) is species‐unique. Nonhuman animals may teach without a ToM. 相似文献
70.
Abstract. The author examined the effectiveness of training in symbolic logic for improving students' deductive reasoning. A total of 116 undergraduate students (approximately equal numbers of men and women) enrolled in 1st-year university philosophy courses in symbolic logic participated in 2 studies. In both studies, students completed booklets of categorical and conditional syllogisms at the beginning of the course and again at the end of the course. In Study 2, students also specified their reasoning strategies. Results indicated that students' strategies changed with training (students increased their use of mental models and mental rules with categorical and conditional syllogisms, respectively), but their reasoning performance improved only moderately. The educational implications of these results are explored. 相似文献