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L2 Syntactic Complexity Analyzer
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<h2 id="usage">Usage</h2> <h3>Second language writing development</h3> <p>The L2SCA has been used in numerous studies in the field of second language writing development to compute indices of syntactic complexity.<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a><a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a><a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a> </p> <h3>Corpus linguistics</h3> <p>The L2SCA has also been used in various studies in the field of <a href="/facts/Corpus_linguistics/uxRe9Uj8">corpus linguistics</a>.<a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a><a class="footnote-ref" id="fnref:8" href="#fn:8"><sup>8</sup></a> </p> <h2 id="indices">Indices</h2> <table><tbody><tr><th>No.</th><th></th><th>Construct</th><th>Index</th><th>Abbr.1</th></tr><tr><td>1.</td><td rowspan="9" colspan="2">Syntactic structures</td><td><a href="/facts/Word_count/3zj0NjCg">Word count</a></td><td>W</td></tr><tr><td>2.</td><td><a href="/facts/Sentence_(linguistics)/GhKKkcm2">Sentence</a></td><td>S</td></tr><tr><td>3.</td><td><a href="/facts/Verb_phrase/nfJ5hbY8">Verb phrase</a></td><td>VP</td></tr><tr><td>4.</td><td><a href="/facts/Clause/EHKUG2NV">Clause</a></td><td>C</td></tr><tr><td>5.</td><td><a href="/facts/T-unit/lyfLuUoD">T-unit</a></td><td>T</td></tr><tr><td>6.</td><td><a href="/facts/Dependent_clause/Jj1or7BL">Dependent clause</a></td><td>DC</td></tr><tr><td>7.</td><td>Complex T-unit</td><td>CT</td></tr><tr><td>8.</td><td>Coordinate phrase</td><td>CP</td></tr><tr><td>9.</td><td>Complex nominal</td><td>CN</td></tr><tr><td>10.</td><td rowspan="14">Syntactic complexity indices</td><td rowspan="3">Length of production units</td><td>Mean length of sentence</td><td>MLS</td></tr><tr><td>11.</td><td>Mean length of T-unit</td><td>MLT</td></tr><tr><td>12.</td><td>Mean length of clause</td><td>MLC</td></tr><tr><td>13.</td><td>Overall sentence complexity</td><td>Clause per sentence</td><td>C/S</td></tr><tr><td>14.</td><td rowspan="4"><a href="/facts/Subordination_(linguistics)/sL03X6l9">Amounts of subordination</a></td><td>Clause per T-unit</td><td>C/T</td></tr><tr><td>15.</td><td>Complex T-unit ratio</td><td>CT/T</td></tr><tr><td>16.</td><td>Dependent clause per clause</td><td>DC/C</td></tr><tr><td>17.</td><td>Dependent clause per T-unit</td><td>DC/T</td></tr><tr><td>18.</td><td rowspan="3"><a href="/facts/Coordination_(linguistics)/DfFdSlgx">Amounts of coordination</a></td><td>Coordinate phrase per clause</td><td>CP/C</td></tr><tr><td>19.</td><td>Coordinate phrase per T-unit</td><td>CP/T</td></tr><tr><td>20.</td><td>T-unit per sentence</td><td>T/S</td></tr><tr><td>21.</td><td rowspan="3">Phrasal sophistication</td><td>Complex nominal per clause</td><td>CN/C</td></tr><tr><td>22.</td><td>Complex nominal per T-unit</td><td>CN/T</td></tr><tr><td>23.</td><td>Verb phrase per T-unit</td><td>V/T</td></tr></tbody></table> Notes <ul><li>Note 1: Abbreviation</li></ul> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/Coh-Metrix/NuzTVRcs">Coh-Metrix</a></li></ul> <h2 id="external-links">External links</h2> <ul><li><a href="http://aihaiyang.com/software/l2sca/">Official website</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"L2 Syntactic Complexity Analyzer". Aihaiyang.com. 12 September 2018. <a href="http://aihaiyang.com/software/l2sca/" target="_blank">http://aihaiyang.com/software/l2sca/</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Computational Methods for Corpus Annotation and Analysis. Springer Publishing. 12 September 2018. ISBN 9789401786447. <a href="9789401786447" target="_blank">9789401786447</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Kyle, Kristopher; Crossley, Scott (2017-10-20). "Assessing syntactic sophistication in L2 writing: A usage-based approach". Language Testing. 34 (4): 513–535. doi:10.1177/0265532217712554. ISSN 0265-5322. S2CID 149239304. <a href="http://journals.sagepub.com/doi/10.1177/0265532217712554" target="_blank">http://journals.sagepub.com/doi/10.1177/0265532217712554</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>"Diane Mazgutova & Judit Kormos: Syntactic and lexical development in an intensive English for Academic Purposes programme" (PDF). Journal of Second Language Writing. 29: 3–15. 12 September 2018. doi:10.1016/j.jslw.2015.06.004. <a href="https://eprints.lancs.ac.uk/id/eprint/74453/7/SI_2015_Mazgutova_Kormos_JRS_.pdf" target="_blank">https://eprints.lancs.ac.uk/id/eprint/74453/7/SI_2015_Mazgutova_Kormos_JRS_.pdf</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>Hou, Junping; Verspoor, Marjolijn; Loerts, Hanneke (12 September 2018). "Junping Hou, Marjolijn Verspoor & Hanneke Loerts: An exploratory study into the dynamics of Chinese L2 writing development". Dutch Journal of Applied Linguistics. 5: 65–96. doi:10.1075/dujal.5.1.04loe. <a href="/wiki/Doi_(identifier)" target="_blank">/wiki/Doi_(identifier)</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>"Attila M. Wind: Second language writing development from a Dynamic Systems Theory perspective" (PDF). Lancaster University. 12 September 2018. <a href="http://www.lancaster.ac.uk/fass/events/laelpgconference/papers/v08/Attila-M-Wind.pdf" target="_blank">http://www.lancaster.ac.uk/fass/events/laelpgconference/papers/v08/Attila-M-Wind.pdf</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>"Lu & Ai: Syntactic complexity in college-level English writing: Differences among writers with diverse L1 backgrounds". Journal of Second Language Writing. 29: 16–27. September 2015. doi:10.1016/j.jslw.2015.06.003. <a href="/wiki/Doi_(identifier)" target="_blank">/wiki/Doi_(identifier)</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>"Nasseri: A Corpus-based Analysis of Syntactic Complexity measures in the Academic Writing of EFL, ESL, and Native English Master's Students" (PDF). Birmingham.ac.uk. 12 September 2018. <a href="https://www.birmingham.ac.uk/Documents/college-artslaw/corpus/conference-archives/2017/general/paper37.pdf" target="_blank">https://www.birmingham.ac.uk/Documents/college-artslaw/corpus/conference-archives/2017/general/paper37.pdf</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> </ol>