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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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