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词条 L2 Syntactic Complexity Analyzer
释义

  1. Usage

     Second language writing development  Corpus linguistics 

  2. Indices

  3. See also

  4. References

  5. External links

L2 Syntactical Complexity Analyzer (L2SCA) developed by Xiaofei Lu at the Pennsylvania State University, is a computational tool which produces syntactic complexity indices of written English language texts.[1] Along with Coh-Metrix, the L2SCA is one of the most extensively used computational tool to compute indices of second language writing development. The L2SCA is also widely utilised in the field of corpus linguistics.[2] The L2SCA is available in a single and a batch mode. The first provides the possibility of analyzing a single written text for 14 syntactic complexity indices. The latter allows the user to analyze 30 written texts simultaneously.

Usage

Second language writing development

The L2SCA has been used in numerous studies in the field of second language writing development to compute indices of syntactic complexity. [3][4][5]

Corpus linguistics

The L2SCA has also been used in various studies in the field of corpus linguistics.[6][7]

Indices

No.ConstructIndexAbbr.1
1.Syntactic structuresWord countW
2.SentenceS
3.Verb phraseVP
4.ClauseC
5.T-unitT
6.Dependent clauseDC
7.Complex T-unitCT
8.Coordinate phraseCP
9.Complex nominalCN
10.Syntactic complexity indicesLength of production unitsMean length of sentenceMLS
11.Mean length of T-unitMLT
12.Mean length of clauseMLC
13.Amounts of coordinationClause per sentenceC/S
14.Verb phrase per T-unitV/T
15.Clause per T-unitC/T
16.Amounts of subordinationDependent clause per clauseDC/C
17.Dependent clause per T-unitDC/T
18.T-unit per sentenceT/S
19.overall sentence complexityComplex T-unit ratioCT/T
20.Phrasal sophisticationCoordinate phrase per T-unitCP/T
21.Coordinate phrase per clauseCP/C
22.Complex nominal per T-unitCN/T
23.Complex nominal per clauseCN/C
Notes
  • Note 1: Abbreviation

See also

  • Coh-Metrix

References

1. ^{{cite web|url=http://aihaiyang.com/software/l2sca/|title=L2 Syntactic Complexity Analyzer|date=12 September 2018|publisher=Aihaiyang.com}}
2. ^{{cite web|url=https://www.springer.com/gp/book/9789401786447|title=Computational Methods for Corpus Annotation and Analysis|date=12 September 2018|publisher=Springer Publishing }}
3. ^{{cite web|url=https://www.sciencedirect.com/science/article/abs/pii/S1060374315000417|title=Diane Mazgutova & Judit Kormos: Syntactic and lexical development in an intensive English for Academic Purposes programme|date=12 September 2018|publisher=Journal of Second Language Writing}}
4. ^{{cite journal|title=Junping Hou, Marjolijn Verspoor & Hanneke Loerts: An exploratory study into the dynamics of Chinese L2 writing development|journal=Dutch Journal of Applied Linguistics|volume=5|pages=65–96|date=12 September 2018|doi=10.1075/dujal.5.1.04loe|last1=Hou|first1=Junping|last2=Verspoor|first2=Marjolijn|last3=Loerts|first3=Hanneke}}
5. ^{{cite web|url=http://www.lancaster.ac.uk/fass/events/laelpgconference/papers/v08/Attila-M-Wind.pdf|title=Attila M. Wind: Second language writing development from a Dynamic Systems Theory perspective|date=12 September 2018|publisher=Lancaster University}}
6. ^{{cite web|url=https://www.sciencedirect.com/science/article/abs/pii/S1060374315000405|title=Lu & Ai: Syntactic complexity in college-level English writing: Differences among writers with diverse L1 backgrounds|date=September 2015|publisher=Science direct}}
7. ^{{cite web|url=https://www.birmingham.ac.uk/Documents/college-artslaw/corpus/conference-archives/2017/general/paper37.pdf|title=Nasseri: A Corpus-based Analysis of Syntactic Complexity measures in the Academic Writing of EFL, ESL, and Native English Master's Students|date=12 September 2018|publisher=Birmingham.ac.uk}}

External links

  • {{official website|http://aihaiyang.com/software/l2sca/}}
{{Second language writing}}{{comp-ling-stub}}

3 : Computational linguistics|Applied linguistics|Second language writing

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