英汉时间参照体系同异比较分析

人类对于语言的认知存在着一定的相似性和差异性,在时间隐喻这个方面也有所表现,本文通过若干语言实例进行对比,对英汉时间隐喻同异进行了初浅的分析,从认知学角度探讨语言发展规律性。     

浅析角色扮演在商务英语教学中的运用

商务英语教学注重语言交际能力的培养,而这一点也正是交际教学法的理论核心。角色扮演是交际教学法中的一种,已经在英语教学中得到了广泛的应用,而把它应用到商务英语教学中,这方面的研究目前还很欠缺。现旨在把角色扮演法运用于商务英语教学,探索这一教学法在实践中的实施以及可能出现的缺陷及其改进方法。     

浅析角色扮演在商务英语教学中的运用

商务英语教学注重语言交际能力的培养,而这一点也正是交际教学法的理论核心.角色扮演是交际教学法中的一种,已经在英语教学中得到了广泛的应用,而把它应用到商务英语教学中,这方面的研究目前还很欠缺.现旨在把角色扮演法运用于商务英语教学,探索这一教学法在实践中的实施以及可能出现的缺陷及其改进方法.     

基于课堂观察的美国体育教师效能评价工具及启示

美国开发的基于课堂观察的体育教师效能评价工具表现出两方面特性:一方面基于教育和评价理论,建立评价指标和评价流程,严格保证评价者资质,不断优化评价工具的信度和效度;另一方面通过实证研究识别体育教师有效课堂教学行为,为教师教学质量的诊断和改进提供重要参考。未来我国应从研发本土化评价工具、培养专业化评价人员、遵循规范性评价流程及建立互动型反馈机制4个方面优化体育教师效能评价的质量。     

NaOH处理对褐煤吸水性能的影响

为了提高褐煤的品质,改善其应用性能,采用NaOH溶液对锡林浩特白音华褐煤(XL)和神东褐煤(SD)进行处理。利用接触角测定仪表征了原煤和处理后煤样的表面润湿性;复吸水实验及不同相对蒸汽压下的平衡含水量表征了原煤和处理煤的持水性能,并通过测定碱溶物的含氧官能团种类和含量,分析了NaOH处理前后褐煤持水性能改变的原因。研究结果表明:NaOH处理使XL和SD接触角分别增加了35.8°和43.7°,煤样的疏水性能增强;碱溶解破坏了煤中的含氧官能团,使煤样复吸水能力减弱,从而达到了提质的目的。另外,NaOH处理对煤的平衡含水量影响随着相对蒸汽压的变化而变化。     

我国多民族地区政治社会化初探

政治社会化是培养政治人,维持政治系统稳定的重要机制。多民族地区政治社会化是社会和谐、政治稳定的重要保障,又在一定程度上承担着维护祖国统一的重任。从分析政治社会化的定义入手,简要分析了多民族地区政治社会化的功能和特点,并结合多民族地区政治社会化存在的问题,尝试分析了如何更好地引导和推动我国多民族地区的政治社会化。     

Associations of Warmth and Control of Filipina Domestic Helpers and Mothers to Hong Kong Kindergarten Children's Social Competence

Research Findings: Across 63 Hong Kong families, both Filipina domestic helpers and mothers separately rated their own caregiving style (warmth and control) and kindergarten children's social competence. Results indicated that Filipina helpers rated themselves as higher in warmth than mothers did. In addition, self-rated warmth of both caregivers, and Filipina domestic helpers' self-perceived control were correlated with children's social competence. With ratings of warmth and control from both Filipina helpers and mothers included in separate regression equations, mothers' warmth was a strong unique correlate of all measures of children's social competence. However, Filipinas' warmth was uniquely associated with children's responsibility only, whereas their control was uniquely associated with children's assertion and responsibility. Practice or Policy: Results extend previous research on the importance of nonparental caregivers for children's social development in a new cultural context.     

Immediate Effects of a School Readiness Intervention for Children in Foster Care

Research Findings: School readiness is a strong predictor of adjustment in elementary school and beyond. Children in foster care are at particular risk for academic and social difficulties in school. Limitations in self-regulatory skills and caregiver involvement among these children might contribute to a lack of school readiness. This study presents the immediate effects on school readiness of a targeted, short-term intervention designed to improve children's early literacy, prosocial, and self-regulatory skills during the summer before kindergarten entry: Kids in Transition to School. Using a randomized controlled trial design, we assigned 192 children in foster care to either an intervention or services as usual comparison condition. Multimethod, multi-informant assessments were conducted immediately prior to and following the completion of the intervention. The results from structural equation modeling indicated that the intervention had significant positive effects on early literacy and self-regulatory skills. Practice or Policy: An efficacious, short-term, readily scalable, theoretically based intervention targeted at specific vulnerabilities for children in foster care may help to improve the school readiness and eventual school adjustment of these children.     

Concept map engineering: methods and tools based on the semantic relation approach

The purpose of this study is to develop a better understanding of technologies that use natural language as the basis for concept map construction. In particular, this study focuses on the semantic relation (SR) approach to drawing rich and authentic concept maps that reflect students’ internal representations of a problem situation. The following discussions are included: (a) elaborate classifications of concept map approaches that use natural language responses (e.g., student essay); (b) the SR process of eliciting concept maps, established using studies on domain ontology; and (c) a more effective way to identify key concepts and relations from a concept map generated by the SR approach. By comparing the SR approach to other promising concept map technologies that constrain the analytical process in various ways, this study suggests that the SR approach is likely to draw richer and more authentic concept maps. In addition, this study suggests that a certain combination of graph-related metrics be used to filter key concepts from a SR concept map drawn from a written text of 350–400 words. The methods suggested in the study could be used to design an automated assessment technology for complex problem solving and to develop adaptive learning systems.     

The development and implementation of a web-based formative peer assessment system for enhancing students’ metacognitive awareness and performance in ill-structured tasks

An assessment was conducted of a web-based formative peer assessment system (WFPAS) emphasizing learners’ metacognitive awareness for their performance in ill-structured tasks. Results indicate that the WFPAS group achieved significantly higher scores for metacognitive awareness and performance in ill-structured tasks than the traditional peer assessment group and that a traditional peer assessment group achieved higher scores for metacognitive awareness than a self-assessment group. In addition, the WFPAS group showed significantly higher scores in motivation than the traditional peer assessment group. Results are explained from the perspective of peer interaction and scaffolding. The potential challenges and implications of the WFPAS are discussed.