<s>
ViEWER	B-Application
,	O
the	O
Virtual	O
Environment	O
Workbench	O
for	O
Education	O
and	O
Research	O
,	O
is	O
a	O
proprietary	O
,	O
freeware	B-License
computer	O
program	O
for	O
Microsoft	B-Application
Windows	I-Application
written	O
by	O
researchers	O
at	O
the	O
University	O
of	O
Idaho	O
for	O
the	O
study	O
of	O
visual	O
perception	O
and	O
complex	O
immersive	O
three-dimensional	O
environments	O
.	O
</s>
<s>
It	O
was	O
created	O
using	O
C++	B-Language
and	O
OpenGL	B-Application
,	O
and	O
has	O
been	O
used	O
by	O
Dr.	O
Brian	O
Dyre	O
,	O
Dr.	O
Steffen	O
Werner	O
,	O
Dr.	O
Ernesto	O
Bustamante	O
,	O
Dr.	O
Ben	O
Barton	O
,	O
and	O
their	O
undergraduate	O
and	O
graduate	O
researchers	O
in	O
visual	O
perception	O
,	O
signal	O
detection	O
,	O
and	O
child-safety	O
experiments	O
.	O
</s>
