Improving nurses’ readiness for evidence-based practice in critical care units: results of an information literacy training program

Table 3 Comparison of mean scores of the use of different information resources in intervention and control groups

Information resources	Groups	Pre test	Post test	Mean difference	Statistic t* and p
Information resources	Groups	M ± SD	M ± SD	Mean difference	Statistic t* and p
Printed	Intervention	2.98 ± 0.73	3.62 ± 0.57	0.64	t = −6.54 p < 0.001
	Control	3.04 ± 0.88	2.99 ± 0.73	−0.05	t = −1.14 p = 0.26
	Statistic t** and p	t = −0.99 p = 0.32	t = 3.55 p = 0.001
Electronic	Intervention	2.39 ± 0.87	3.50 ± 0.97	1.11	t = −8.49 p = 0.01
	Control	2.48 ± 0.88	2.43 ± 0.83	−0.05	t = 2.28 p = 0.03
	Statistic t** and p	t = −0.40 p = 0.69	t = 5.11 p < 0.001
Human	Intervention	2.86 ± 0.83	3.12 ± 0.51	0.26	t = −2.71 p = 0.01
	Control	2.89 ± 0.54	2.35 ± 0.52	−0.54	t = 0.06 p = 1.00
	Statistic t** and p	t = −0.16 p = 0.87	t = 1.98 p = 0.05
Total	Intervention	2.66 ± 0.70	3.43 ± 0.48	0.77	t = −7.15 p < 0.001
	Control	2.67 ± 0.66	2.76 ± 0.60	0.09	t = 0.08 p = 1.00
	Statistic t** and p	t = −0.10 p = 0.92	t = 4.90 p < 0.001

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