Methods: This quasi-experimental study was performed in 2013 in Isfahan University of Medical Sciences. Thirty midwifery students were selected through census and then they were randomly allocated into two groups (15 students in each group). Generalized Self Efficacy questionnaire (GSE10) was completed by both groups before and after the education (demonstration and ordinary). The collected data was analyzed using descriptive statistics, student t-test, and paired t-test. The significant level of less than 0.05 was considered.

Results: The findings of t-test did not show any significant difference between self efficacy scores of demonstration and control group before intervention while a statistically significant difference was observed between the scores of two groups after intervention (p=0.001, and t=-1.43). Paired t-test also showed a statistically significant difference in self efficacy scores after intervention between case and control group respectively (p=0.002, t=-1.30 and p=0.024, t=-5.12). Also the rate of self efficacy score increased in demonstration group by 89 percent while it was 23 percent in control group (p=0.014).

Conclusion: Demonstration method can increase self efficacy levels among midwifery students in managing delivery phases. As a result, the use of this teaching method is recommended for effective learning.