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Table 2 Homogeneity Test of Dependent Variables

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

Variable Exp. (n = 22) Cont. (n = 21) t/Z p
Mean SD Mean SD
Knowledge BLS 3.77 .429 3.86 .359 −.703 .482
ECG Recognition 3.95 .653 4.1 .7 −.917 .359
Teamwork 3 .535 3 .707 0 1
ACLS 3.09 .61 3.48 .602 −2.044 .041
PCAC 2.73 .456 2.71 .463 −.094 .925
Total 16.68 1.129 17.19 1.078 −1.545 .122
Self-Efficacy BLS 12.64 1.364 12.29 1.231 −.751 .453
ECG Recognition 8.32 1.323 8.48 .981 −.191 .848
Teamwork 12.5 1.793 12.86 1.459 −.811 .417
ACLS 8.41 1.26 8.38 1.071 −.038 .97
PCAC 8.64 1.217 8.86 .964 −.494 .621
Total 50.55 6.085 50.67 4.83 −.072 .943
Skill Performance BLS 4 .001 4 .001 0 1
ECG recognition 5 .756 5.33 .913 −1.727 .084
Teamwork 5.64 .727 5.76 .625 −.681 .496
ACLS 9.27 .767 9.14 .854 −.445 .656
PCAC 3.5 .598 3.71 .463 −1.211 .226
Total 27.5 .74 27.95 1.071 −1.306 .192
  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
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