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

Table 6

Descriptive statistics in posttest.

Group	Mean	Std. error	95% confidence interval
			Lower bound	Upper bound
PBL	17.31	0.32	16.66	17.95
Control	13.11	0.32	12.47	13.75