Studies of Psychology and Behavior ›› 2018, Vol. 16 ›› Issue (6): 744-750.

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Language Switching and Switching Cost in Language Comprehension of Tibetan-Chinese Bilinguals With Different Proficiency Levels

GAO Lei1,2, GAO Xiaolei2, BAI Xuejun3, CHEN Meixiang4, GUO Zhiying5   

  1. 1. Department of management and economics, Tianjin University, Tianjin 300072;
    2. Plateau Brain Science Research Center, Tibet University, Lhasa 850000;
    3. Academy of Psychology and Behavior, Tianjin Normal University, Tianjin 300074;
    4. Counseling and Education Center, Xiamen University, Xiamen 361005;
    5. Tianjin Academy of Educational Science, Tianjin 300191
  • Received:2017-05-17 Online:2018-12-27 Published:2018-11-20

不同熟练程度藏汉双语者言语理解中的语码切换及其代价

高蕾1,2, 高晓雷2, 白学军3, 陈梅香4, 郭志英5   

  1. 1. 天津大学管理与经济学部, 天津 300072;
    2. 西藏大学高原脑科学研究中心, 拉萨 850000;
    3. 天津师范大学心理与行为研究院, 天津 300074;
    4. 厦门大学心理咨询与教育中心, 厦门 361005;
    5. 天津市教育科学研究院, 天津 300191
  • 通讯作者: 高晓雷,E-mail:gaoxiaolei2010@163.com;白学军,E-mail:bxuejun@126.com
  • 基金资助:
    国家自然科学基金项目(31860280)、2016年西藏自治区高校青年教师创新支持计划项目(QCR2016-10)和西藏大学培育基金项目(ZDCZJH18-03)

Abstract: In this study, we chose Tibetan-Chinese bilinguals to perform the word recognition task. For these bilinguals, Tibetan is their mother tongue and Chinese is their second language. According to the level of Chinese of the subjects, we divided them into two groups, that is, the proficient and nonproficient bilinguals. In this experiment, we set up three conditions, namely, the no switching, expected switching, and no expected switching conditions. The aim of this study is to determine the essentials of language switching and switching costs between Tibetan and Chinese. The results were as follows:1) under the three conditions, the reaction times of Chinese words of proficient and nonproficient Tibetan-Chinese bilinguals were significantly shorter than that of Tibetan words, while the error rate of Chinese words was significantly lower than that of Tibetan words. 2) Compared switching condition with no switching condition, the reaction speed of the former was slower, the error rate of the former was higher, they all reached a significant level. The switching costs were observed. 3) Compared proficient Tibetan-Chinese bilinguals with nonproficient Tibetan-Chinese bilinguals, the reaction times of Chinese of the former were shorter, the error rate of the former was lower, they all reached a significant level. For conclusion, in the process of Tibetan-Chinese bilingual's language switching, there was switching cost. The findings support the hypothesis of inhibition that the switching cost of proficient Tibetan-Chinese bilinguals was smaller.

Key words: Tibetan, Chinese, language switching, switching costs

摘要: 以母语为藏语,第二语言为汉语的熟练和非熟练藏汉双语者为被试,采用词汇判断任务,在无切换、预期切换和无预期切换三种条件下,考察藏汉两种语言之间的语码切换及其切换代价。结果表明:(1)在三种条件下,熟练和非熟练藏汉双语者对汉语词的反应时均显著短于对藏语词的反应时,汉语词的错误率也显著低于藏语词;(2)切换条件下的反应速度显著慢于无切换条件,切换条件下的错误率显著高于无切换条件,存在显著的切换代价;(3)熟练藏汉双语者对汉语词的反应时显著短于非熟练藏汉双语者,熟练藏汉双语者对汉语词反应的错误率也显著低于非熟练藏汉双语者。本研究表明,藏汉双语语码切换过程中存在切换代价,支持抑制说;熟练藏汉双语者语码切换代价更小。

关键词: 藏语, 汉语, 语码切换, 切换代价

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