Comparative overview of the virtual reality and the music intervention
| Intervention design feature | VR intervention | Music intervention |
| Intervention type | Active | Receptive |
| Delivery format | Immersive VR environment via head-mounted display with headphones | Music via MP3 player and headphones |
| Technology | Quest 2 (Meta), Bose headphones | Apple iPod, Bose headphones |
| Intervention content | Mindfulness exercise, environment meditation in a natural environment with nature sounds | Listening to instrumental music (60–80 bpm) |
| Degree of user choice | Predefined meditation without choice options | Choice of four different music genres: classic, jazz, meditation or lounge |
| Type of guidance | Verbal guidance by a male narrator (directing attention to various aspects of the environment) | No guidance |
| Duration | 15 min (+up to 5 min for acclimatisation) | 15–20 min |
bpm, beats per minute; VR, virtual reality.