Alternative 1 - Measurement is taken in the forehead, attached to the VR headset, uses a PPG sensor.
Alternative 2 - The band is wrapped around the neck, connected to a VR headset with cable, and uses a PPG sensor.
Alternative 3 - (DATUM) Wristwatch is worn by the user, uses Bluetooth connection to VR headset, uses PPG sensor.
Alternative 4 - Uses auditory sensors for HR and BR, attached to the user’s chest.
Alternative 5 - Measures HR and BR using electrocardiogram which uses adhesives to stick electrodes to the user's chest and arm.
Weighted Utility
1 = 0.40.8+0.40.7+0.2*0.9=0.78
2 = 0.40.4+0.40.7+0.2*0.6=0.56
3 = 0.41+0.40.2+0.2*0.8=0.64
4 = 0.40.2+0.40.3+0.2*0.4=0.28
5 = 0.40.1+0.41+0.2*0.2=0.48