Virtual World pros & cons. Outline. Virtual Reality Virtual World Second Life Pros & Cons How Second life Affects Real Life Are we ready to live in a Virtual World?. Virtual Reality.
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Any system that attempts to provide an immersive experience requires some type of display that will try to fool the human senses. These systems are very costly and can be problematic to use, largely because so few people have the technical knowledge to repair or maintain them. Additionally, most virtual reality systems are not readily interchangeable with different hardware, increasing the cost and reducing the long-term value of an initial investment in such a system.
Bailenson has found that even 90 seconds spent chatting it up with avatars is enough to elicit behavioral changes offline — at least in the short term. "When we cloak ourselves in avatars, it subtly alters the manner in which we behave," says Bailenson. "It's about self-perception and self-confidence.”
Overall, subjects using good-looking avatars tended to display more confidence, friendliness and extroversion, just as in the real world
Randomly assigned avatars to 75 volunteers and divided them into three groups: one group watched their look-alike avatars run on treadmills for about five and a half minutes; another group saw their virtual counterparts lounge around; and a third watched avatars who did not look like them, but were of the same age and gender, run on treadmills. A day later, they found that participants who watched avatars of their own likeness exercising had themselves exercised an hour more in the intervening 24-hour period than people in the other two groups