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Table 3 Results of paired-samples t-tests and Wilcoxon Signed Ranks test for the measures of L2 production

From: One size fits all? The role of task complexity in L2 production via the audio chat

Measures

Paired-samples T-tests

Wilcoxon

Effect size

Syntactic complexity

 MLAS

p = 0.24

–

d = 0.18

 CAS

p = 0.41

–

d = 0.11

 RSC

–

p = 0.10

r = 0.25

Lexical complexity

 Guiraud’s index

p = 0.66

–

d = 0.07

 LFP

p < 0.001*

–

d = 1.36

Accuracy

 E/100W

p = 0.96

–

d = 0.01

 TLV

p = 0.90

–

d = 0.02

  1. MLAS = mean length of AS unit; CAS = clauses per AS unit; RSC = ratio of subordinate clauses to the total number of clauses; E/100W = errors per 100 words; TLV = target-like verbs
  2. Note: *p<0.05