Intervention
After obtaining permission from the ethics committee of Mashhad University of Medical Sciences (MUMS) and approval of the Nursing and Midwifery Education Department, students’ informed written consent was obtained. The participants were included in the study in an accessible manner according to the inclusion criteria. First, a theoretical BLS training session (by the second author) was held for all students for 4 hours and pre-test was taken at the end of the session. Participants were assigned to two groups of real-time feedback and debriefing by video recording using a random sequence generated using SPSS software, with 37 participants in each group. For the practical BLS training session, each group was divided into smaller groups of 5–6 persons. In the group of real-time feedback and debriefing by video recording, the students’ practical BLS training session was held for 4 hours as a training using a manikin. In the real-time feedback group, the resuscitation steps and how to provide feedback of the device were practically taught. Next, cardiopulmonary resuscitation was performed and the performance of rescuer was corrected using the feedback of the device. In the Debriefing by Video Recording group, first the practical BLS training of resuscitation steps was provided and the students performed resuscitation operations on the manikin and their performance was filmed. The recorded videos were then reviewed so that students could improve their BLS skill again. At the end of the session, students in both groups were retested (Fig. Study Method Diagram