Table 2 Evaluation of all training sessions. Data presented as mean values (SD) of the three intervention groups (IG1-3) and the control group (CG).

Clearly structured

1.37 (0.73)

1.54 (0.94)

1.44 (0.86)

1.42 (0.64)

Contents presented in understandable manner

1.33 (0.59)

1.65 (0.98)

1.56 (0.86)

1.38 (57)

Questions / concerns addressed

1.27 (0.57)

1.65 (1.06)

1.6 (0.93)

1.23 (0.43)

Learning improvement high

1.51 (0.65)

1.83 (1.02)

1.74 (0.96)

1.42 (0.64)

Engaged teachers

1.29 (0.61)

1.40 (0.82)

1.34 (0.80)

1.12 (0.33)

Pleasant learning atmosphere

1.31 (0.58)

1.50 (1.11)

1.42 (0.97)

1.27 (0.60)

Acquire practical skills

1.35 (0.56)

1.56 (0.99)

1.52 (0.84)

1.27 (0.99)