不同英语写作水平学生议论文写作词汇丰富性差异研究
关键词 词汇复杂度 词汇多样性 二语写作
毕业论文外文摘要
Title A Study on the Differences in Lexical Richness of Argumentative Compositions Between Students of Different English Writing Levels
Abstract
In recent years, research on lexical richness in L2 writing has caught more and more attention from scholars all over the world. This study aims to investigate the difference in lexical richness between students of different L2 writing levels from two dimensions: lexical sophistication and lexical variation. 125 subjects involved in the study are all students of Nanjing University of Science and Technology coming from different grades and different faculties. The 125 papers belong to the first selection in school of a writing competition in 2014. Then according to score ranking, the top 25 are selected as high-scoring group and the last 25 are selected as low-scoring group. Analysis of the collected data shows that the overall performance of students of high-scoring group is better than those of low-scoring group both in lexical sophistication and lexical variation. The research on it is helpful in increasing lexical richness in students’ L2 writing and for this reason of great importance in the improvement of students’ writing skills and the teaching of L2 writing in universities.
Keywords lexical sophistication lexical variation L2 writing
Table of Contents
1 Introduction 1
1.1 Research Background 1
1.2 Significance of the Study 1
2 Literature Review 2
2.1 Previous Studies of Lexical Richness in L2 Writing 2
2.2 Measures of Lexical Richness 3
3 Research Methodology 5
3.1 Research Questions 5
3.2 Subjects 5
3.3 Instrument 6
3.4 Data Collection 7
3.5 Data Analysis 7
4 Results and Discussion 9
4.1 Lexical Sophistication 9
4.2 Lexical Variation 10
Conclusion 12
Acknowledgements 14
References 15
Table 3.1 Differences in subject (Score).6
Table 4.1 Differences in lexical sophistication (K1words)9
Table 4.2 Differences in lexical sophistication (K2 words).10
Table 4.3 Differences in lexical sophistication (Academic words)10
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