Piecing Together the Puzzle of Pictorial Representation: How Jigsaw Puzzles Index Metacognitive Development

Jigsaw puzzles are ubiquitous developmental toys in Western societies, used here to examine the development of metarepresentation. For jigsaw puzzles this entails understanding that individual pieces, when assembled, produce a picture. In Experiment 1, 3- to 5-year-olds (N = 117) completed jigsaw puzzles that were normal, had no picture, or comprised noninterlocking rectangular pieces. Pictorial puzzle completion was associated with mental and graphical metarepresentational task performance. Guide pictures of completed pictorial puzzles were not useful. In Experiment 2, 3- to 4-year-olds (N = 52) completed a simplified task, to choose the correct final piece. Guide-use associated with age and specifically graphical metarepresentation performance. We conclude that the pragmatically natural measure of jigsaw puzzle completion ability demonstrates general and pictorial metarepresentational development at 4 years.     

浅析普通高校体育理论课教学现状与对策

本文从目前普通高校体育理论课教学的现状入手,分析了当前体育理论课教学中存在的突出问题,并提出了相应的对策。     

内蒙古西部汉语方言形容词生动形式

内蒙古西部有入声的汉语方言形容词生动形式丰富多彩，具有浓厚的方言特色，很值得研究。笔者着眼于词的结构方式，将该方言形容词构词生动形式分为重叠式、加缀式、兼用式、连用式4大类，18个小类。在简要分析词的结构方式和构词过程的基础上，总结了每种小类型的结构式。     

Toy libraries

Toys are not just for playing. Toys are the tools of play that help children develop their social awareness, imagination, visual motor capabilities and thinking processes. Play is a very serious activity for children worldwide and often represents a primary and valuable means of learning. Since many toys are important learning instruments, children should have easy access to appropriate toys in order to explore and choose those which interest them. In addition, parents need a place where they can consult with someone about what toys are appropriate for their child's development. Toy libraries provide this service.     

技术型人才培养模式下生物医学工程专业生物化学实验课教学研究

应用技术型人才的培养更加注重将专业技术运用到生产和研究中解决实际问题,生物化学实验在培养学生基本技能的掌握、创新及实践能力具有重要作用。传统实验教学没有很好地重视学生实践技能的培养,该文旨在转变传统实验教学模式,探索以解决实际问题为导向的项目研究式实验教学。     

LD status and achievement: confounding variables in the study of children's social status, self-esteem, and behavioral functioning

The purpose of the present study was to examine the role of achievement in explaining the poor social and behavioral functioning associated with LD status, and to evaluate potential gender differences in patterns of interpersonal functioning among youth with learning disabilities (LD) and nondisabled (NLD) youth. Thirty-two students with learning disabilities (21 boys, 11 girls) were matched with same-sex, same-race classmates whose reading achievement was low (LA) or average (AA), and these groups were compared on peer ratings of liking and disliking, perceptions of self-worth and social acceptance, and teacher ratings of conduct problems, anxiety-withdrawal, and attention problems. Students with learning disabilities were less accepted and less well-liked than children in the LA or AA groups and also perceived their self-worth and social acceptance to be lower than LA or AA students. Group by Sex interactions were apparent for several of the peer rating and behavioral variables, indicating that different patterns of social and behavioral functioning distinguished LD boys and LD girls from their NLD peers. The findings highlight the potential role of low achievement in peers' dislike of LD girls and suggest the importance of investigating well-defined subgroups of youth with LD in future research.     

论市场经济条件下我国环境立法的趋势

环境与资源保护是科学发展观中重要的组成部分，对于环境和资源的保护我国曾采取了政策、行政、法律、法规等各种形式加以控制，并取得了一定成效，但现实情况仍不容乐观。本文指出了我国前期颁布的法律法规的缺陷，拟在市场经济条件下全方位地关注环境立法，包括市场机制的作用、政策法规的协调、环境立法的刑事化、环境立法的国际化等，旨在建构一个科学的、可长久实施的环境法律体系。     

应对WTO--大学英语教学与学习的思考

随着中国加入WTO,现实对英语教学与学习提出了更高,更新的要求,要应对这种挑战,英语教学与学习必须走出“为英语的考试”,“为考试的英语”这样一个误区。要营造一个符合语言学习与教学的良好社会氛围,使之成为学习与教学的支撑点。要强调语言材料的积累而不是应考经验与技巧的积累。英语的社会化是英语教学与学习摆脱单一,单调的课堂教学模式的途径;社会化的英语是运用英语的最有效方式。