TABLE 2.

Items used to assess presence.

Short name	Item
Being there	In the computer-generated world, I had the sense of “being there”
Realism	I thought of the virtual environment as equal to the real environment
Sense of reality	The virtual world became more real or present to me compared to the real world. NB: by “real world,” we mean the room where you were undergoing the test
Awareness	During the “virtual walk,” I often thought of the other person(s) in the room with me
Other persons	It would have been more enjoyable to engage with the “virtual world” with no one else in the room
External noises	While I was doing the “virtual walk,” I paid much attention to other noises around me in the room
Flatness	The virtual world appeared flat and missing in depth
Movements lag	The lag, delay or difference between my movements and the movements in the “virtual walk” were disturbing