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本文以1964年至2014年Web of Science数据库中收录的主题为“二语习得”(Second Language Acquisition)的3 940篇论文为研究对象,应用知识可视化软件,使用文献计量学的建模分析方法,绘制二语习得研究主要学科群体、交叉研究领域、关键词演进图谱,分析发现二语习得研究的领域交叉性及其在语言教育、神经学等学科中的重要地位,揭示该领域研究热点从大脑、外语习得、关键期等到双语、语言水平、语言认知等的演进过程。
In this paper, we take the 3 940 theses whose topics are “Second Language Acquisition” in the Web of Science database from 1964 to 2014 as the research object, apply knowledge visualization software, use bibliometrics Analysis methods to draw the main subject groups for second language acquisition research, cross-cutting research areas, key words evolution chart, analysis found cross-domain study of second language acquisition and its important position in language education, neurology and other disciplines, reveals the Areas of research focus from the brain, foreign language acquisition, the critical period until the bilingual, language proficiency, cognitive processes such as language evolution.