The target population of this study included all undergraduate
medical, B.Sc. nursing, and B.Sc. science in surgical technology students.
The samples were selected from three paramedical and medical fields
through stratified randomsampling. At first, the populationwas divided
into 6 strata based on the current year of study. Then, simple random
sampling by a computer-generated list of random numbers was used
in order to prevent the sampling bias