This clinical trial (randomized controlled experimental study) aims to learn about the effects of presenting the family-witnessed CPR process from a patient's perspective through 360° virtual reality and 2D video within second-year nursing students. The primary question(s) / hypotheses it aims to answer are:

• H1: Will the content validity ratio of the developed scenario be above 0.80?
• H2: Is the increase in empathy scores (pre-test/post-test difference) of students in the 360° VR group significantly higher compared to the 2D video and control groups?
• H3: Is the increase in ethical sensitivity scores of students in the 360° VR group significantly higher compared to the 2D video and control groups?
• H4: Is the change in perception scores toward family-witnessed CPR more positive in the 360° VR group compared to the other groups, and is their mean SUS (System Usability Scale) score at or above the acceptability threshold of 70?
• H5: Is the VES (Video Engagement Skale) score of students in the 360° VR group significantly higher than that of the 2D video group? Researchers will compare the 360° immersive video (360° VR) group, the 2-dimensional (2D) video group, and the control group to see if there are effects on empathy, ethical sensitivity, perception of risks-benefits of family presence, self-confidence regarding family presence, video engagement, and system usability.

Participants will be asked to:

• Watch the scenario reenactment involving a family-witnessed CPR process, recorded via a 360° camera (in either 360° VR or 2D format, depending on their assigned group).
• Complete data collection tools consisting of the Introductory Information Form, "Jefferson Scale of Empathy", "Ethical Sensitivity Questionnaire", "Family Presence Risk-Benefit Scale and Family Presence Self-Confidence Scale", "System Usability Scale (SUS-TR)", and "Video Engagement Skale(VES)".

Inclusion Criteria:

• Being a second-year undergraduate nursing student
• Volunteering to participate in the study and signing the informed consent form
• Not having participated in a similar virtual reality or family-witnessed CPR study before

Exclusion Criteria:

• Having a diagnosed neurological or psychiatric disorder that prevents using virtual reality glasses (such as epilepsy, severe vertigo, or motion sickness)
• Having uncorrected visual or hearing impairments
• Not completing all stages of the study (pre-test, intervention, or post-test)