Final answer:
Studies show that using a CPR coach can lead to increased confidence among individuals learning and performing CPR, as it provides immediate feedback to improve technique and effectiveness.
Step-by-step explanation:
Studies show that using a CPR coach during cardiopulmonary resuscitation training can lead to A. Increased confidence in individuals performing CPR. A CPR coach, often implemented as a feedback device or a real-time instructor, helps trainees to maintain the correct compression depth and rate, as well as proper hand positioning. By receiving immediate feedback, trainees are more likely to feel empowered, thereby increasing their confidence levels and potentially improving the quality of the CPR provided in real-life scenarios.