Table 6.

Statistics of complexity measures and effect sizes.

	Measures	Group	Mean	SD	Cohen's D
Syntactic	MLC	Medium	10.0219	5.1542	0.12
Complexity		High	10.5780	4.0070
	C/S	Medium	2.3716	0.9383	0.26
		High	2.1419	0.8147
	DC/T	Medium	0.9398	0.5596	0.18
		High	0.8428	0.5713
	C/T	Medium	2.0402	0.6934	0.21
		High	1.9020	0.6635
	T/S	Medium	1.1589	0.2443	0.18
		High	1.1249	0.1875
	CP/T	Medium	0.3964	0.2882	0.14
		High	0.4448	0.2876
	CN/T	Medium	2.1245	1.0007	0.02
		High	2.1406	0.8891
	VP/T	Medium	2.8276	0.9472	0.13
		High	2.6927	0.9920
Lexical	Synonym	Medium	14.2912	7.1209	0.3
Complexity		High	16.6855	8.5740
	Frequency	Medium	8.3571	1.7884	0.05
		High	8.4443	1.4989
	Hyponymy	Medium	3.8823	0.3994	0.44
		High	4.0518	0.3721
	Collocation	Medium	9.4921	1.4786	0.01
		High	9.4668	1.3261
	MTLD	Medium	55.2154	13.3558	0.39
		High	60.6953	14.6365
Morphological	V100	Medium	4.0772	1.1222	0.43
Complexity		High	4.5519	1.0511
	T/F	Medium	1.1309	0.0352	0.28
		High	1.1377	0.0337