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Table 4 Differences between Pre-test and Post-test in Experimental Group and Control Group

From: Effectiveness of self-re-learning using video recordings of advanced life support on nursing students’ knowledge, self-efficacy, and skills performance

Variable Pre-test Post-test t/Z p
Mean SD Mean SD
Knowledge BLS Exp. 3.77 .429 3.32 .646 −2.352 .019
Cont. 3.86 .359 3.05 .498 −3.69 .001*
ECG recognition Exp. 3.95 .653 4 .756 −.233 .816
Cont. 4.1 .7 3.76 .944 −1.393 .163
Teamwork Exp. 3 .535 2.45 .739 −2.546 .011
Cont. 3 .707 2.57 .978 −1.651 .099
ACLS Exp. 3.09 .61 3.14 .64 −.258 .796
Cont. 3.48 .602 2.62 .921 −2.797 .005
PCAC Exp. 2.73 .456 2.5 .598 −1.387 .166
Cont. 2.71 .463 2.67 .577 −.302 .763
Total Exp. 16.68 1.129 15.32 1.46 −3.256 .001
Cont. 17.19 1.078 14.67 1.278 −3.715 .001*
Self-efficacy BLS Exp. 12.64 1.364 12.36 1.814 −.461 .645
Cont. 12.29 1.231 10.48 2.581 −2.702 .007
ECG recognition Exp. 8.32 1.323 7.55 1.711 1.771 .091
Cont. 8.48 .981 6.38 2.037 −3.438 .001
Teamwork Exp. 12.5 1.793 11.73 2.028 −1.549 .121
Cont. 12.86 1.459 9.05 3.138 −3.839 .001*
ACLS Exp. 8.41 1.26 7.5 1.655 −1.907 .057
Cont. 8.38 1.071 5.9 2.385 −3.297 .001
PCAC Exp. 8.64 1.217 8.05 1.495 −1.34 0.18
Cont. 8.86 .964 7.19 1.692 −3.349 .001
Total Exp. 50.55 6.085 47.18 7.719 1.781 .089
Cont. 50.67 4.83 39 10.918 4.489 .001*
Skill performance BLS Exp. 4 .000a 3.86 .468 −1.342 .18
Cont. 4 .000a 2.52 .981 −3.8 .001*
ECG recognition Exp. 5 .756 5.59 .503 −2.372 .018
Cont. 5.33 .913 3.62 1.024 −3.69 .001*
Teamwork Exp. 5.64 .727 5.23 1.066 −2.07 .038
Cont. 5.76 .625 1.67 .658 −4.084 .001*
ACLS Exp. 9.27 .767 8.68 1.729 −1.312 .19
Cont. 9.14 .854 6.81 1.537 −3.662 .001*
PCAC Exp. 3.5 .598 3.32 .716 −.775 .439
Cont. 3.71 .463 2.24 .768 −3.919 .001*
Total Exp. 27.5 .74 26.68 3.107 −1.021 .307
Cont. 27.95 1.071 16.9 3.52 −4.021 .001*
  1. ACLS advanced cardiovascular support, BLS basic life support, Cont. control group, ECG electrocardiogram, Exp. experimental group, PCAC post cardiac arrest care, SD standard deviation; * = p < .001
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