Mean

Std. Deviation

CV

Face to face communication

0.3000

0.46609

15.54

social networks

0.8333

0.37905

4.55

Telephones

0.5333

0.50742

9.51

Lecture

0.8333

0.37905

4.55

Conferences

0.6667

0.47946

7.19

Seminar

0.5000

0.50855

10.17