Table 8.

Effect size based on Cohen’s d test

		Standardizer	Point Estimate	95% Confidence Interval
				Lower	Upper
Digital literacy (before)- Digital literacy (after)	Cohen's d	7.88	0.473	0.653	0.291
	Hedges' correction	7.91	0.472	0.652	0.290
Media literacy(before)- Media literacy (after)	Cohen's d	2.32	0.51	0.68	0.32
	Hedges' correction	2.33	0.51	0.66	0.31
Communication literacy(before)- Communication literacy (after)	Cohen's d	1.76	0.96	0.26	0.77
	Hedges' correction	1.77	0.96	0.26	0.76
Information literacy(before)- Information literacy (after)	Cohen's d	1.87	0.08	0.18	0.16
	Hedges' correction	1.87	0.08	0.18	0.16
Visual literacy(before)- Visual literacy (after)	Cohen's d	1.89	0.37	0.54	0.19
	Hedges' correction	1.89	0.37	0.54	0.19
Technology literacy(before)- Technology literacy (after)	Cohen's d	2.13	0.32	0.50	0.14
	Hedges' correction	2.13	0.32	0.50	0.14
Computer literacy(before)- Computer literacy (after)	Cohen's d	1.77	0.55	0.73	0.36
	Hedges' correction	1.77	0.55	0.73	0.36