How does presentation method and measurement protocol affect distance estimation in real and virtual environments?

Timofey Grechkin Tien Dat Nguyen Jodie M. Plumert James F. Cremer Joseph K. Kearney How does presentation method and measurement protocol affect distance estimation in real and virtual environments? 2010 7 TAP 4 http://doi.acm.org/10.1145/1823738.1823744 db/journals/tap/tap7.html#GrechkinNPCK10