Table 3 Subjective learning gain reported by the undergraduates

1*

I feel confident to provide BLS

Intervention

2.99

48.32

.026

.067

Control

2.52

24.89

2*

I feel confident to detect an irregular breathing

Intervention

2.87

33.60

.028

.298

Control

2.4

16.53

3*

I feel confident to detect a cardiac arrest

Intervention

3.06

48.73

 < .001

.043

Control

2.29

13.64

4*

I feel confident to clear the patient´s airway

Intervention

3.07

55.68

.003

.027

Control

2.34

24.32

5*

I feel confident to provide mask ventilation

Intervention

2.98

44.77

 < .001

.032

Control

1.71

9.67

6*

I feel confident to perform high quality chest compressions

Intervention

2.89

51.50

.001

.015

Control

2.16

16.58

7*

I feel confident with the use of the AED

Intervention

3.53

74.33

 < .001

.001

Control

2.36

27.07

8

I feel confident about the correct sequence of treatments of BLS

Intervention

2.76

36.77

.421

.938

Control

2.59

35.71

9*

A person lies motionless on the street. I feel confident being able to provide BLS

Intervention

2.86

38.20

.007

.345

Control

2.31

24.98

10*

The patient lies motionless in his bed. I feel confident being able to provide BLS

Intervention

3.00

45.80

 < .001

.108

Control

2.13

23.43

11*

I feel able to lead BLS in a team

Intervention

2.76

50.21

 < .001

.022

Control

1.72

18.73