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认知负荷与大学英语学习者个体差异的相关研究
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摘要
有效教学历来是国内外教育研究的重点。顾名思义,有效教学的目的就是要使教学达到有效的理想状态。然而,目前国内教学的现状是教师起主导作用,是教育的核心所在,而学生的主体作用却被极大地忽视了。这种传统的教育理念仍然根深蒂固地残留在人们的脑海里。国内外大量研究发现,要使教学达到有效的理想状态,教学所采取的一切措施和活动都必须符合学生的认知规律,这就要求教育工作者对不同学生个体的认知规律有清楚的认识,以期达到教育的最终目的。
     认知负荷理论在过去的30年里受到越来越多研究者和专家的重视,主要表现在对教学的评估和设计方面。该理论主要是关于发展有效的教学方法,以便能够充分利用学生有限的认知资源,并将其所获得的知识应用于现实环境当中。
     本文试图系统地探究认知负荷与大学英语学习者个体差异之间是否存在密切的关系。该论文中所涉及的研究对象是山东青年政治学院大学一年级的134名学生,其中男生为41名,女生为93名,年龄从19岁到21岁不等。实验的开始主要是采用了调查问卷和镶嵌测验两种手段对实验对象进行了初步的前测,以此对其进行认知风格的划分。完成相关研究之后,笔者发现个体差异和认知负荷之间的确存在着密切的联系。其中,个体差异在本文当中主要体现在学生的前知识和认知风格两个方面。个体差异主要包含两个方面:生理差异和心理差异。在本文中,心理差异是研究的重点。心理差异同样由许多不同的组成部分构成,其中认知风格差异是一个重要方面并且作为个体差异的代表来研究其与认知负荷的关系。认知风格在本文中主要体现在三个方面:场独立-场依存型;整体-序列型和言语-视觉型。场独立和场依存型认知风格模式对学生的认知负荷影响甚微,而视觉-言语型模式则和认知负荷之间存在着密切的联系。当然实验本身也存在着局限性,比如实验研究范围仅仅局限于两个高校。在一定程度上来说,无法代表整个中国高校的现状。因此,进一步扩展研究领域将成为未来研究的重点。论文结尾之处笔者对如何促进英语教学和降低认知负荷提出了一些建议。根据这些建议,笔者希望广大英语教师能够意识到个体差异的重要性及因材施教的意义所在,以期达到有效教学的目标。
Effective instruction has always been the focus for educational researches both at home and abroad. As the name implies, effective instruction refers to such a kind of teaching result, that is, effective and efficient. At present, however, educational studies at home are paying more attention to educators and their teaching methods rather than students, who in fact should be the attention for instruction. According to the studies made by experts at home and abroad, the premise of effective instruction is that all the activities and measures taken by teaching have to correspond with the students’cognition law.
     Cognitive load theory (CLT) is gaining increasing importance for the past 30 years, mainly in the field of evaluation and design of instruction. It is concerned with the development of effective teaching methods, which can make good use of students’limited cognitive capacity to apply acquired skills and knowledge to new situations. Thus, only in the condition that we have a good control of students’cognitive laws can we make full use of their limited cognitive resources.
     In this thesis, an empirical research has been made for studying the relation between cognitive load and individual difference. The subject for this research is college students in Shandong Youth University of Political Science aged from 19 to 21 in four classes and the total number is 134 with 41 males and 93 females. With the instrument of questionnaires and Embedded Figure Test, students have accomplished smoothly the corresponding pretests, which enlighten the subsequent studies on relations between cognitive load and individual difference.
     Having completed the correlative research, the author found that there was a close relation between individual difference and cognitive load, especially in the aspect of cognitive style (i.e., field-dependence & field-independence; holist & serialist; verbal & visual). Individual difference is composed of two parts: physiological and psychological parts, in which psychological part is the key for studying in this thesis. Psychological difference contains several components, in which cognitive style plays the key role in it and is the representative for individual difference in this paper. The field-dependent and field-independent models have little effects on students’cognitive load, while the verbal and visual models have a significant effect. Of course, there does exist some limitations contained in this research. The research scope is only confined to some colleges, or strictly just two colleges, which, in some aspect, cannot represent the overall phenomenon by all universities and colleges in China. Thus, further expanding or enlarging the research scope will be the core for future studies. In the end of the paper, several recommendations have been put forward on how to improve English teaching and decrease cognitive load. According to these suggestions, English teachers could learn the importance of individual difference and teach them in accordance with their aptitude.
引文
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