Subjective property of an individual person

Details:

In these definitions presence is a subjective property of an individual person; in some of these defintions technology is explicitly not involved, others can involve technology or not involve technology, and still others explicitly involve the use of technology.

Sample defintion(s):

Sas & O’Hare ( 2003):
“a psychological phenomenon...”

Steuer (1992):
"an experience...”

Sheridan (1992):
"a subjective feeling or mental state...”

Lombard & Ditton (1997):
"a perceptual illusion...”

Lee ( 2004):
“a psychological state...”

See subcategories