Students' communication skill score before intervention after 9 weeks Difference (score) p Intervention group (n=93) 41, 06±9, 75 47, 12±12, 93 6, 06 <0, 001 Control group (n=94) 40, 12±10, 23 43, 01±11, 34 2, 89 >0, 05 p >0, 05 <0, 05 Comment: After 9 weeks of intervention, the mean score (PBB) of communication skills of intervention group increased 6.06 (p <0.001), the control group increased only 2.89 points.