中国大学英语学习者词汇流利性和丰富性的损耗研究  

Lexical fluency and richness in L2 attrition among Chinese college English learners

作　　者：潘克菊[1] 杨连瑞[1] 陆小飞 PAN Keju;YANG Lianrui;LU Xiaofei(College of Foreign Languages,Ocean University of China,Qingdao 266100,China;Dept.of Applied Linguistics,The Pennsylvania State University,University Park 16802,USA)

机构地区：[1]中国海洋大学 [2][美]宾夕法尼亚州立大学

出　　处：《外语教学与研究》2024年第3期394-404,479,480,共13页Foreign Language Teaching and Research

基　　金：杨连瑞主持的国家社科基金重点项目“中国英语学习者二语语用能力发展研究”(17AYY023)的阶段性成果。

摘　　要：提升学习者的词汇水平是大学英语教学的重要目标之一,而目前对于大学英语学习结束后学习者词汇损耗的研究仍相对缺乏。本研究结合动态系统论,跟踪调查学习者在四个阶段二语词汇流利性和丰富性的损耗情况,以期揭示词汇发展与损耗过程的本质特征。受试在大学英语学习刚结束(T1)时以及结束3个月(T2)、6个月(T3)和9个月(T4)时分别完成词汇流利性测试、口语话题任务和电影复述任务。研究者对所得数据进行词汇流利性与丰富性的指标分析与统计分析。结果发现:(1)在二语词汇流利性方面,T2时受试出现明显损耗,T3时逐步恢复,T4时有一定提升;(2)在二语词汇丰富性方面,词汇密度各项指标在T1至T4时的口语话题任务和电影复述任务中均无显著差异,词汇复杂性在口语话题任务中差异显著,词汇多样性在两种任务中都有显著差异。本研究的发现对于目前的大学外语教学具有重要的启示作用。Improving learners'lexical proficiency is an important goal in college English instruction.To date,research on learners'lexical attrition after completing college English courses remains relatively scarce.This study tracks the attrition of a cohort of learners'second language lexical fluency and richness at four time points through the lens of Dynamic Systems Theory to reveal the intrinsic nature of the processes of lexical development and attrition.Participants completed a verbal fluency task,a topic-based speaking task,and a film-retelling task immediately after completing college English instruction(T1),and again after 3 months(T2),6 months(T3),and 9 months(T4).We assessed the data using a set of lexical fluency and richness indices and then subjected the values to statistical analysis.Results indicate that:(1)Participants exhibited significant attrition in lexical fluency at T2,gradual recovery at T3,and further improvement at T4;(2)In terms of lexical richness,lexical density did not differ significantly across the four time points in either the topic-based speaking task or the film-retelling task,but significant cross-time differences emerged in lexical sophistication in the topic-based speaking task and in lexical variation in both tasks.These findings have important implications for college foreign language teaching.

关 键 词：词汇损耗 词汇流利性 词汇丰富性 动态系统论 

分 类 号：H319.3[语言文字—英语]