Learning effectiveness of a flexible learning study programme in a blended learning design: why are some courses more effective than others?

Table 3 Summary effect size for the mixed-effects regression model

	Effect size and standard error				Confidence interval			t-Test
	n	d	SE	Lower 95th		Upper 95th	t		p
Overall effect	133	− 0.0562	0.0562	− 0.2060		0.0936	− 1.0000		0.3684