by Xiaofei Lu
http://www.personal.psu.edu/xxl13/downloads/l2sca.html

L2 Syntactic Complexity Analyzer is designed to automate syntactic complexity analysis of written English language samples produced by advanced learners of English using fourteen different measures proposed in the second language development literature.

ということで、１４の指標。

９つの言語的特徴を調べて
words (W)
sentences (S)
verb phrases (VP)
clauses (C)
T-units (T)
dependent clauses (DC)
complex T-units (CT)
coordinate phrases (CP)
complex nominals (CN)

１４の指標を出力
mean length of sentence (MLS)
mean length of T-unit (MLT)
mean length of clause (MLC)
clauses per sentence (C/S)
verb phrases per T-unit (VP/T)
clauses per T-unit (C/T)
dependent clauses per clause (DC/C)
dependent clauses per T-unit (DC/T)
T-units per sentence (T/S)
complex T-unit ratio (CT/T)
coordinate phrases per T-unit (CP/T)
coordinate phrases per clause (CP/C)
complex nominals per T-unit (CN/T)
complex nominals per clause (CN/C)