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中国学习者英语笔语中的 词块能力研究

中国学习者英语笔语中的 词块能力研究. 许家金 中国外语教育研究中心 北京外国语大学. Lexical Chunks in Chinese Learners ’ Writing (WECCL). Xu Jiajin Beijing Foreign Studies University. Chunks. How to extract chunks in WS4?. Contents. Comparisons of chunks. Interpretations. Other areas of collocation. chunk. 词块

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中国学习者英语笔语中的 词块能力研究

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  1. 中国学习者英语笔语中的词块能力研究 许家金 中国外语教育研究中心 北京外国语大学

  2. Lexical Chunks in Chinese Learners’ Writing (WECCL) Xu Jiajin Beijing Foreign Studies University

  3. Chunks How to extract chunks in WS4? Contents Comparisons of chunks Interpretations Other areas of collocation

  4. chunk • 词块 • http://home.henannu.edu.cn/fl/clweek/pujz/chunks.ppt • Chunk/lexical bundle/n-gram/multi-word unit (expression)/formulaic sequence/prefabs • Cluster (词丛)in WordSmith

  5. Why is lexical chunk important? • Break language into units on a probabilistic basis • Recurrent • Psychologically real

  6. Why is lexical chunk important? • Form-function composite • Can we build the entire edifice of language solely on lexical chunks? • If not, what are the bricks & mortar of language?

  7. Lexical grammar • Lexico-grammar • Pattern grammar • Construction grammar • Collostruction • etc

  8. Research question • Are there any differences of chunk use between Chinese learners of English and NNS? • What are some of the possible underlying reasons?

  9. Lexical chunk extraction in WS4 WS4中词块的自动提取 • Step 01 • Cluster in [Concord]: Focusing on individual words

  10. Lexical chunk extraction in WS4 WS4中词块的自动提取 • Step 02 Cluster in [WordList] • Indexing corpus data before computing cluster

  11. Lexical chunk extraction in WS4 WS4中词块的自动提取 • Step 03 How to index a corpus? • 1. [Settings-Index] First assign a name to the text(s) to be indexed • 2. [Make/Add to Index] Then index the selected text(s) • .tokens and .types pair

  12. Step 04 Extracting clusters in WordList • [WordList-Open] *.tokens • [Compute-Clusters] • [File-Save]/[File-Save As]

  13. 2-8 word cluster list 多词词表 of WECCL and LOCNESS • weccl index 2-word clusters • … • weccl index 6-word clusters • locness index 2-word clusters • … • locness index 6-word clusters

  14. Step 05 keyword list generation to test for chunk over- and under-use significance • [Keyword list] －[New] • Reference corpus • Chi-square test 卡方检验 • Log likelihood 对数拟然检验 • Keyness p value ≤ .05

  15. 类似研究 • 管博、郑树堂，2005，中国大学生英语口语Small Words 的研究，《外语教学与研究》第6期。

  16. Other tools for extracting lexical chunks • Kfngram William Fletcher √ • Collocation Extraction • C-ngram • N-gram PhraseExtract Tom Cobb’s Page • PIE: Phrase in English Fletcher

  17. A quick summary • Chunk defined • How to extract chunks from a corpus with WS4 • How to compare chunks with keyword • Interpretation

  18. A bibliography of chunk research • Aspects of collocation study

  19. www.ddyyx.com/wqf.rar ../lmc.rar../wlf.rar../xjj.rarwww.corpus4u.com Thank you!

  20. Lexical_JJ Chunks_NN2 in_II Chinese_JJ Learners’ _NN2 Writing_NN1 Xu Jiajin ustcxujj@sina.com

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