Statistical analysis
Normally distributed data were reported as means and standard deviations. The total scores of the two groups were compared using a single sample t-test. The chi-square test was used to compare class attendance numbers and responses of Questionnaire II pertaining to the students’ evaluation of the teaching mode between the two groups. The comparison of the responses in Questionnaire I pertaining to class attendance and participation between the two groups was based on the Kruskal–Wallis ANOVA test. All statistical analyses were conducted using SPSS Statistics (v.25; IBM Corporation, NY, USA). A two-tailed p value < 0.05 was considered statistically significant.