The effects of automatic writing evaluation and teacher-focused feedback on CALF measures and overall quality of L2 writing across different genres

Table 4 Pared comparison of AWE and TF across CALF measures

Complexity measures	Group	N	M	SD	F	Sig.	Paired comparisons	Partial η2
Lexical diversity	AWE	25	19.30	1.12	13.24	0.000	AWE > TF	0.81
Lexical diversity	TF	28	19.26	1.02	13.24	0.000	AWE > TF	0.81
syntactic complexity: mean length of clauses/total clauses	AWE	25	1.29	0.95	45.05	0.01	AWE > TF	0.83
syntactic complexity: mean length of clauses/total clauses	TF	28	1.14	1.23	45.05	0.01	AWE > TF	0.83
Syntactic complexity: mean length of t-units/total t-units	AWE	25	0.54	1.04	23.87	0.09	AWE = TF	0.79
Syntactic complexity: mean length of t-units/total t-units	TF	28	0.54	1.01	23.87	0.09	AWE = TF	0.79
Accuracy	AWE	25	0.73	1.09	15.43	0.07	AWE = TF	0.71
Accuracy	TF	28	0.72	0.46	15.43	0.07	AWE = TF	0.71
Fluency	AWE	25	256.5	0.67	7.61	0.00	TF > AWE	0.77
Fluency	TF	28	253.5	0.54	7.61	0.00	TF > AWE	0.77