TABLE 5.

Results of three-factor mixed ANOVA for oral production complexity.

Oral production complexity	Source	df	F	p	${\mathit{\text{η}}}_{\text{p}}^2$
Lexical complexity	Between subjects
	Instruction method	1	0.085	0.772	0.003
	L2 proficiency	1	52.725	0.000***	0.653
	Instruction method × L2 proficiency	1	0.004	0.951	0.000
	Error	28
	Within subjects
	Testing time	2	6.967	0.002**	0.199
	Instruction method × testing time	2	0.427	0.655	0.015
	L2 proficiency × testing time	2	0.124	0.884	0.004
	Instruction method × L2 proficiency × testing time	2	1.711	0.190	0.058
	Error	56
Syntactic complexity	Between subjects
	Instruction method	1	0.257	0.616	0.009
	L2 proficiency	1	10.622	0.003**	0.275
	Instruction method × L2 proficiency	1	0.119	0.732	0.004
	Error	28
	Within subjects
	Testing time	2	7.821	0.001**	0.218
	Instruction method × testing time	2	0.930	0.400	0.032
	L2 proficiency × testing time	2	1.081	0.346	0.037
	Instruction method × L2 proficiency × testing time	2	0.037	0.964	0.001
	Error	56

** p < 0.01; *** p < 0.001.