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191.
Keith E. Stanovich 《Annals of dyslexia》1985,35(1):67-96
After years of confusion, the literature on individual differences in reading ability is finally beginning to coalesce around
a small set of general conclusions that are endorsed by the vast majority of researchers. The most fundamental is that word
decoding ability accounts for a very large proportion of the variance in reading ability at all levels. Variation in word
decoding skill is primarily the result of differences in phonological abilities, rather than visual processes. Less-skilled
readers are not characterized by a general inability to use context to facilitate word recognition. However, situations where
such readers fail to utilize context to facilitate word recognition will arise when their slow and inaccurate decoding of
words renders the context useless. Less-skilled readers display performance deficits on a wide variety of short-term memory
tasks, probably due to an inability to efficiently employ various memory strategies, and most certainly due to inadequate
phonological coding. Less-skilled readers may have comprehension deficits that are partially independent of word decoding
skill. These problems probably arise because syntactic abilities and metacognitive strategies are inadequately developed.
Presented at the Twelfth Annual Conference of the New York Branch of The Orton Dyslexia Society, New York, March 1985. 相似文献
192.
Does political rhetoric hold the key to an understanding of political pathology? Blending historical scholarship and behavioral research, this study tested empirically hypotheses derived from Richard Hofstadter's model of the “paranoid style” in American politics. The data were drawn from John A. Stormer's None Dare Call It Treason. 相似文献
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Research and development at the Children's Television Workshop 总被引:2,自引:0,他引:2
Since its establishment in 1968, the Children's Television Workshop (CTW)—as a matter of policy—has incorporated research into the process of designing and producing educational materials. The first CTW project to use this team approach wasSesame Street, the educational television series created for in-home viewing by preschoolers. Today, the scope of CTW's efforts has widened dramatically to include other media (home video, print, computer software), other learning environments (schools, community organizations, afterschool child-care settings), and other national cultures. This article introduces this issue ofETR&D, which has been authored entirely by CTW researchers, producers, and executives. It describes CTW's approach to research and development, and sets out in broad terms the opportunities and constraints imposed by the environments in which the various projects and productions function. 相似文献
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This study investigates the impact of an informal science outreach programme built around theories of identity formation and self-efficacy on middle school girls’ science affinities. A lottery-based, randomised control trial was used to identify programme effects on four science affinity outcomes: science interests, efficacy with science, science attitudes, and science identity. A multivariate analysis of variance demonstrated that programme participants scored higher than their control group peers on weighted composite of post-programme affinity indicators. These results suggest that informal science education may offer a venue through which to support the formation of science identities and efficacy in girls. Implications for including psychosocial support elements into science classroom pedagogy and science education standards are discussed. 相似文献
198.
Frances S. Grodzinsky Keith W. Miller Marty J. Wolf 《Ethics and Information Technology》2008,10(2-3):115-121
In their important paper “Autonomous Agents”, Floridi and Sanders use “levels of abstraction” to argue that computers are or may soon be moral agents. In this paper we use the same levels of abstraction to illuminate differences between human moral agents and computers. In their paper, Floridi and Sanders contributed definitions of autonomy, moral accountability and responsibility, but they have not explored deeply some essential questions that need to be answered by computer scientists who design artificial agents. One such question is, “Can an artificial agent that changes its own programming become so autonomous that the original designer is no longer responsible for the behavior of the artificial agent?” To explore this question, we distinguish between LoA1 (the user view) and LoA2 (the designer view) by exploring the concepts of unmodifiable, modifiable and fully modifiable tables that control artificial agents. We demonstrate that an agent with an unmodifiable table, when viewed at LoA2, distinguishes an artificial agent from a human one. This distinction supports our first counter-claim to Floridi and Sanders, namely, that such an agent is not a moral agent, and the designer bears full responsibility for its behavior. We also demonstrate that even if there is an artificial agent with a fully modifiable table capable of learning* and intentionality* that meets the conditions set by Floridi and Sanders for ascribing moral agency to an artificial agent, the designer retains strong moral responsibility. 相似文献
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