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Table 1 Indices of CAF

From: Effects of input text genre on Chinese young EFL learners’ performance on continuation tasks

Dimension

Indices

Methods

Complexity

 Syntactic

Mean Length of Sentence (MLS)

Coh-Metrix

Mean Length of Clause (MLC)

Manual coding

Mean Length of T-unit (MLT)

Manual coding

Clause/T-unit (C/T)

Manual coding

Dependent Clause/Clause (DC/T)

Manual coding

Words before main verbs (WBV)

Coh-Metrix

Number of modifiers before NP (NM)

Coh-Metrix

Passive voice density (PD)

Coh-Metrix

Syntax Similarity of adjacent sentences (SS)

Coh-Metrix

 Lexical

Type-token ratio (TTR)

Coh-Metrix

Measure of Textual Lexical Diversity (MTLD)

Coh-Metrix

Incidence of content words (InCW)

Coh-Metrix

Concreteness for content words (CCW)

Coh-Metrix

Imageability for content words (ICW)

Coh-Metrix

CELEX Log minimum frequency for content words (LogMF)

Coh-Metrix

Accuracy

error-free T-units/T-units (ET/T)

Manual coding

errors/T-units (E/T)

Manual coding

Fluency

Words (W)

Coh-Metrix