Sample and sampling method
anxiety
The study population consisted of medical students from Kermanshah University of Medical Sciences (KUMS), Iran. A total of 114 medical students were included in the study. Sample size estimation was conducted using the formula for comparing means between two independent groups. The sample size calculation was based on data from a study by Cho et al. (2021), where the mean anxiety scores in the intervention and control groups were reported as 41.1 ± 8.9 and 46.1 ± 9.9, respectively. Considering a test power of 80% and a confidence level of 95%, a total of 57 students were estimated for each group [The samples were selected for the study using convenience sampling and were then allocated to either the intervention or control group through block randomization. To carry out the randomization, an online tool (