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SCA

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305912

L2 Syntactic Complexity Analyzer


Lu, X. (2010). Automatic analysis of syntactic complexity in second language writing. International Journal of Corpus Linguistics, 15(4), 474-496.
http://www.personal.psu.edu/xxl13/downloads/l2sca.html


 指標一覧

9 structures in the text:

  1. words (W)
  2. sentences (S)
  3. verb phrases (VP)
  4. clauses (C)
  5. T-units (T)
  6. dependent clauses (DC)
  7. complex T-units (CT)
    • 従属節を含むT-unit
  8. coordinate phrases (CP)
    • 形容詞、副詞、名詞、動詞
  9. complex nominals (CN)
    • 修飾


14 syntactic complexity indices of the text:

  1. mean length of sentence (MLS)
  2. mean length of T-unit (MLT
  3. mean length of clause (MLC)
  4. clauses per sentence (C/S)
  5. verb phrases per T-unit (VP/T)
  6. clauses per T-unit (C/T)
  7. dependent clauses per clause (DC/C)
  8. dependent clauses per T-unit (DC/T)
  9. T-units per sentence (T/S)
  10. complex T-unit ratio (CT/T)
  11. coordinate phrases per T-unit (CP/T)
  12. coordinate phrases per clause (CP/C)
  13. complex nominals per T-unit (CN/T)
  14. complex nominals per clause (CN/C)

 どうやって使うか

手元にプログラムをインストール


  1. L2SCA-2022-07-12.tgzをダウンロード
    1. Stanford Parserも含まれている
      1. Stanford ParserがJavaで書かれている
  2. READMEファイルを読む

Web-based L2 Syntactic Complexity Analyzer

https://aihaiyang.com/software/

  • Single Mode
    • 2ファイルまで
    • 1000語以内のテキストファイル


  • Batch Mode
    • 30ファイルまで

TAASSC内で

Kyle, K. (2016). Measuring syntactic development in L2 writing: Fine grained indices of syntactic complexity and usage-based indices of syntactic sophistication (Doctoral Dissertation). Retrieved from http://scholarworks.gsu.edu/alesl_diss/35.
https://www.linguisticanalysistools.org/taassc.html