Enhancing Metacognitive Scaffolding and Comprehension Ability through Problem-Based Learning in an EFL Context

Table 3

Univariate analysis of covariance (ANCOVA) results.

	Sum of squares	df	Mean square	F	Sig.	Eta
Pretest	2.17	1	2.17	6.38	0.010	0.07
Group	32.54	1	32.54	95.59	0.000	0.55
Error	26.21	77	0.34