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91.
An examination of children's notions about light and visual phenomena shows the existence of mental models, that is to say, ways of thinking that are consistent and pervasive. These naive conceptual schemes, used by different children to explain similar phenomena, determine the kinds of responses given by the children in problem-solving situations. In this article we study children's ideas about colored objects and colored shadows, with special attention to the ways in which these ideas are organized into mental models. The elucidation of these models provides valuable instructional tools that serve to assess and to confront students' naive conceptions. This work was carried out in a science museum at the site of interactive exhibits that show unexpected effects. Children who visited the museum were engaged in problem-solving situations that involved predictions, explanations, and manipulations of the exhibit.  相似文献   
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Abstract

The 12th European Youth Olympic Festival (EYOF) was arranged in Austria and Liechtenstein in January 2015. By using a stakeholder framework, the study aims to: (a) identify and differentiate between primary and secondary stakeholders based on their level of influence in planning, implementation and impact of the event; and (b) analyze the challenges and issues caused by the co-hosting. Qualitative data stemming from interviews, observations and document analysis indicate that EYOF is a less formalized event with a scaled down budget. The local stakeholders turned out to have most to gain and were willing to pay for such an event. Therefore, the Organizing Committee involved local sponsors, companies and communities, who became core or primary stakeholders, whereas the usual IOC core stakeholders played a reduced role. Major challenges in co-hosting were the coordination and administration of a border, two currencies, transportation and accommodation. EYOF as an international event might not have international influence, but it may have a sustainable impact on the communities due to the co-host. This implies that co-hosting is a good model for future Olympic hosts if one wants to attract smaller countries, and have the benefits of cost-reduction, strengthening the community and cross-border relations.  相似文献   
93.
Abstract

In this paper, we present a collaboration project within one urban Puerto Rican classroom, focused on constructing a critical literacy inquiry curriculum grounded in the students’ out-of-school literacy practices in their communities, including their experiences with media and popular culture. We focused on a critical literacy and media inquiry unit centered on the students’ self-selected subject of the telenovela. Here, we examine one student’s work to highlight two overarching findings: (1) the visibility of the students’ complex understanding of the media landscapes in telenovelas, particularly the construction of dominant social discourses across telenovela worlds, and (2) the ways that bringing children’s mediatized cultural imaginaries in their creative work supports an approach to literacy in classrooms, where explorations of discourses of power emerge from the students’ knowledge. In order to articulate how children actively examine and construct discourses across multiple social worlds, we examine these findings using the Four Resource Model, and elements of discourse analysis, as theoretical and analytical frameworks, focusing on the construction of identities, worlds and meanings in relation to the social discourses of telenovelas.  相似文献   
94.
Discussion on the advantages of integrating health literacy into adult education has primarily been theoretical and conceptual. There is a need for studies that assess the impact of adult education on health literacy. This study implemented a quasi-experimental design to explore whether basic adult instruction may constitute a venue for improving health literacy among Spanish-speaking immigrants. Participants included adults in a High School Equivalency program in a US-Mexico border community who received either a standard GED curriculum or a GED curriculum enhanced with health literacy content. The Short Spanish TOFHLA was used to measure health literacy. While S-TOFHLA scores and health literacy levels improved in all participants, no statistically significant differences were observed across groups. Results are consistent with recommendations supporting adult education as a strategy for improving health literacy.  相似文献   
95.
The physical, social and temporal dimensions of the classroom environment have an important role in children’s learning. This study examines the level of support for child-centred learning, and its associated beliefs, that is provided by Hong Kong’s pre-service early childhood teachers. Two hundred and seventy-five students from a pre-service early childhood teacher training programme completed a questionnaire; in general, these students believed that teachers should create physical, social and temporal environments which are child-centred in early childhood education settings. Linear regression analyses showed that the students’ perceived importance of fostering children’s social and communication competence in early childhood programmes, and their belief in children’s competence in self-learning, were significant positive correlates of their level of support for all dimensions of child-centred learning environment. Their self-perceived competence in managing children’s behaviours was, however, a significant negative correlate of their level of support for child-centred social and temporal environment. This study then discusses the implications of these findings for pre-service early childhood teacher education.  相似文献   
96.
The study replicates a previous investigation done with middle class children to examine their conceptions of prerogative and restriction, Weber (1999). For the present study, forty nine first, third and fifth grade children who were primarily African American, were drawn from two public schools in a small aging midwestern industrial city. They participated in two interviews which elicited responses concerning personal prerogative at home and school. The children identified areas of prerogative in both settings. They distinguished between personal and conventional issues at school. Children's claims to prerogative appeared to increase with age, as did the amount of disagreement and conflict over such issues. There appeared to be a flattening out of opportunity at school however, that did not occur at home. Unlike the middle class sample, these children sometimes used prudential and punishment reasoning to justify restrictions. Direct responses from the children clearly indicated that school should be different from home in prerogative offered them. They appeared to accept more narrow and rigid boundaries at school with little reservation. The totality of the children's responses, however, suggests the possibility of more complex attitudes. The flattening of provision at school, combined with some presence of punishment reasoning, suggests that there may be some interesting differences in approach between middle class and working class schools.  相似文献   
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