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Bill Guise is Assistant Director, Washington National Diffusion Network Facilitator Office.  相似文献   
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This article reports on a case study of a young child (aged five) at a very early stage of his journey as a writer, evidencing ‘pre-alphabetic tendencies’, who has not yet internalised the construction of his name. Analysis of a ‘baseline’ piece of Daniel's writing demonstrates his awareness that the production of random letters conveys a simple message. However, Daniel does not recognise yet the relationship between spoken language and the corresponding grapheme–phonemes. At present he is not making the connections between his aural, oral and visual concepts of how words as text are constructed. In addressing the development of early years writing, the practitioner should be aware of the learning needs of the child as the child develops as an emerging writer in a highly complex problem-solving activity. The complexity of the structural and developmental processes needed to become a writer requires that the child is taught not within a predominantly whole-class structure with its demands for completion within fast-paced time limits. The emerging writer requires sustained recursive opportunities to engage with the experiences, which take the child from the steps of ‘mark making’ to the abstractions of written composition. The decision was made to use the strategy of socio-dramatic play as the framework for the intervention with Daniel. The use of a play/literacy connection (socio-dramatic play) serves to unlock and support the child's writing/spelling development. The child is being supported in his development by the teacher strategically easing the cognitive load, i.e. in this case, through scribing for the child.  相似文献   
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The language children hear presents them with a multitude of co-occurrences between words and things in the world, and they must repeatedly determine which among these manifold co-occurrences is relevant. Social factors—such as cues regarding the speaker's referential intent—might serve as one guide to whether word-object covariation should be registered. In 2 studies, infants (15–20 months and 18–20 months in Studies 1 and 2, respectively) heard novel labels at a time when they were investigating a single novel object; in one case the label was uttered by a speaker seated within the infant's view and displaying concurrent attention to the novel toy (coupled condition), whereas in the other case the label emanated from a speaker seated out of the infant's view (decoupled condition). In both studies, subsequent comprehension questions indicated that infants of 18–20 months registered a stable link between label and object in the coupled condition, but not in the decoupled condition, despite the fact that covariation between label and object was equivalent in the 2 conditions. Thus, by 18–20 months children are inclined to establish a mapping between word and object only when a speaker displays signs of referring to that object.  相似文献   
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Visiting industry to see how statistical methods are used in practice is well worth the time and effort which are involved.  相似文献   
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Since their incorporation in 1993, further education (FE) colleges in England have been responsible for their own staffing and, faced with funding constraints as well as recruitment and retention targets, some have introduced a new category of staff referred to here as ‘learning support workers’ (LSWs). Though their employment conditions and specific duties vary considerably, LSWs' work often includes providing individual care for students. In this small‐scale study, using semi‐structured interviews, the perceptions of some teachers and LSWs about the nature of their relationships with each other and with students are investigated. The study is set broadly in the context of debates about the impact of public sector reform on FE colleges and teachers. A discourse analysis approach is adopted in discussion of the data. The authors conclude that although they are differently positioned in relation to traditional discourses of professionalism, both teachers and LSWs are perceived to be carrying out what Hochschild termed ‘emotional labour’. The contradictory nature of emotional labour is also highlighted. Some of the implications of employing a new group of workers in FE are discussed.  相似文献   
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Should a computer science student be able to write a simple interrupt‐answering routine? Can we have students write simple interrupt‐answering routines? What programming assignment can be given to help students understand how “system service calls” work (i.e., how do we get from nonprivilege mode to privilege mode)? Our machines with vendor‐supplied operating systems limit our assignments in some areas. Hence, we must use a “virtual machine.” Virtual machines can be produced using simulators and can be used to reinforce basic concepts by giving programming assignments on them.  相似文献   
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The Project on Scope, Sequence, and Coordination of Secondary School Science (SS&C) is a major national project designed to reform science education, K-12. Based on research on learning science, the project includes provision for hands-on experience, sequencing over time at successively higher levels of abstraction, and taking account of student preconceptions. Associated with SS&C is a performance-based student assessment project which incorporates compact-disc interactive (CD-I) technology. The SS&C project and its assessment component were initiated by the author and have become projects of the National Science Teachers Association (NSTA) funded by the National Science Foundation and the U.S. Department of Education. Projects are underway in California, North Carolina, Iowa, Puerto Rico, Texas, and Alaska.  相似文献   
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