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11.
Stephen P. Turner 《Minerva》2010,48(3):239-258
Charles Perrow used the term “normal accidents” to characterize a type of catastrophic failure that resulted when complex,
tightly coupled production systems encountered a certain kind of anomalous event. These were events in which systems failures
interacted with one another in a way that could not be anticipated, and could not be easily understood and corrected. Systems
of the production of expert knowledge are increasingly becoming tightly coupled. Unlike classical science, which operated
with a long time horizon, many current forms of expert knowledge are directed at immediate solutions to complex problems.
These are prone to breakdowns like the kind discussed by Perrow. The example of the Homestake mine experiment shows that even
in modern physics complex systems can produce knowledge failures that last for decades. The concept of knowledge risk is introduced,
and used to characterize the risk of failure in such systems of knowledge production. 相似文献
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25年前创刊的《中国专利与商标》杂志，是中国专利代理（香港）有限公司为知识产权业界提供的一个探讨知识产权理论与实务的平台。从杂志出版第一期起，她就一直得到知识产权业界的支持。25年前，知识产权还是一个令世人感到十分陌生的领域，管理知识产权事务的各局领导身体力行， 相似文献
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This study examined the ability of children in French immersion and English programs to analyze the internal structure of spoken words in relation to their early reading and spelling abilities in English. Thirty-two children in the first grade were given a modified version of the Auditory Analysis Test, and reading and spelling tasks that included both real words and non-words. Results indicated that French immersion children were more proficient than their English program peers at explicitly analyzing spoken words and that the groups did not differ when reading and spelling orthographically regular real words and non-words. The English program children performed better than their French program peers only when reading orthographically irregular English words. These results demonstrate that second language learning enhances metalinguistic awareness and help to explain why children in immersion programs do not experience long-term difficulty in acquiring English written language skills. 相似文献
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The purpose of this article is to provide a historical perspective on the contributions of learning and instruction to instructional theory and to discuss some of the major obstacles currently inhibiting the growth of “Instructional Theory.” Some suggestions for future development of this discipline are provided. In clarifying the impediments to instructional theories' development, heavy reliance is placed upon the process of theory construction as perceived by philosophers of the natural and social sciences. Some comments are made regarding the appropriate use of instructional theory in developing nations. 相似文献
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