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Children (N = 103, 4–9 years, 59 females, 84% White, c. 2019) completed visual processing, visual feature integration (color, luminance, motion), and visual search tasks. Contrast sensitivity and feature search improved with age similarly for luminance and color-defined targets. Incidental feature integration improved more with age for color-motion than luminance-motion. Individual differences in feature search ( β = .11) and incidental feature integration ( = .06) mediated age-related changes in conjunction visual search, an index of visual selective attention. These findings suggest that visual selective attention is best conceptualized as a series of developmental trajectories, within an individual, that vary by an object's defining features. These data have implications for design of educational and interventional strategies intended to maximize attention for learning and memory.  相似文献   

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The aim of this paper is to encourage sociologists of the curriculum to contribute more both to curriculum policy advocacy and the curriculum development process. It concludes by suggesting four areas of curriculum policy research around which both sociologists of education and curriculum studies ‘specialists’ could unite and which would go some way towards meeting the demands of the National Curriculum at the level of policy analysis and implementation.

No one should be expected to say all the time, at the same time, everything that is to be said. (Karl Popper[2] [2] Quoted in Schilpp (1974), p. 1167. View all notes)

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Considerable ‘user education’ work of high quality has been produced from academic librarians to impart information skills to students on degree-level and diploma BTEC engineering courses. However, in the author's opinion, this lacks a focus on some points of importance for the effective teaching of potential engineers and technologists, This requires the following.

(1) More case-studies of engineering problems highlighting information retrieval aspects.

(2) More accurate grounding in the way engineers actually use information.

(3)Better integration between lectures, information guides, exercises and test material.

(4)Greater emphasis on the analysis stage of technical problems, and linkage to types of available information to help generate solutions—information needs analysis.

Scope exists for packaged teaching material incorporating improvements and drawing upon advances in educational technology such as CAL methods. The author attaches a sample scheme based on advanced manufacturing themes, developed for the BTEC Production Engineering course at Coventry Polytechnic in the UK.  相似文献   


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Background and purpose: To date, there has been little research on the Teacher Professional Development (TPD) for delivering a mobile technology-supported science curriculum. To address this, a TPD model for a science curriculum supported by mobile technology was developed and evaluated in this paper. The study reported focuses on the establishment of the TPD model and exploration of its impact on teacher behaviors in the curriculum implementation.

Sample, design, and methods: In the study, two representative science teachers’ implementation of the science curriculum was presented together with an in-depth study of the TPD sessions. The data from the teacher-led PD working sessions, classroom observation and teacher interview were collected. Mixed methods and case study were used to analyze the teacher performance on the PD working sessions and on the curriculum implementation.

Results: Our findings suggested that teachers benefited from the structured TPD which provided opportunities for sharing, extensive feedback, and reflection of the curriculum implementation. It showed that teachers had transformed questioning from traditional ways into constructivist-oriented patterns in the classroom. More student-centered activities were conducted and complemented with teachers’ various scaffolds for learning. Analysis of learning artifacts attested to improvements in students’ conceptual understanding of science.

Conclusion: TPD refers to a continuing and dynamic system for PD which needs to be changed and elaborated based on teacher needs, school context and the problems and challenges encountered in the teaching practice. TPD development and teachers’ growth in the belief and competences on the instruction constitute a mutual evolution process. Their evolution could guarantee the apt enactment and spread of the curriculum innovation to impact depth, to sustain and to spread.  相似文献   


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This article draws on data from a larger study of the ‘goodness of fit’ between the mathematical curriculum policy operating in preschool settings and the content framework provided within the recent Scottish Guidelines for Mathematics for 5‐14‐year‐old children. The work was based in three pre‐five establishments within Strathclyde Region Education Authority, where staff agreed to help the researchers to try and understand the nature of existing mathematics policy.

In this article the focus is two‐fold. Firstly, a tool and process for eliciting the mathematical frameworks managers use in planning the curriculum is outlined. Examples of three frameworks produced by the tool are given and contextualized by other information on curriculum organization. Secondly, a simple model of four key elements which are central to developing and evaluating a curriculum policy is outlined.

The overall purpose of the article is to suggest that this tool and the resulting framework which has been developed may be of use to others in individual, collegiate and cross‐establishment curriculum analysis and development.  相似文献   


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