Game Development Reference
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Young woman:
It's true. I'm unhappy.
ELIZA:
Do you think coming here will help you not to be unhappy?
Young woman:
I need some help, that much seems certain.
ELIZA:
What would it mean to you if you got some help?
Young woman:
Perhaps I could learn to get along with my mother.
ELIZA:
Tell me more about your family.
Young woman:
My mother takes care of me.
ELIZA:
Who else in your family takes care of you?
Young woman:
My father.
ELIZA:
You r f a t he r.
Young woman:
You are like my father in some ways.
ELIZA:
What resemblance do you see?
Young woman:
You are not very aggressive but I think you don't want
me to notice that.
ELIZA:
What makes you think I am not very aggressive?
Young woman:
You don't a r gu e wi t h me .
ELIZA:
Why do you think I don't argue with you?
Young woman:
You a r e a f r a i d o f me .
ELIZA:
Does it please you to believe I am afraid of you?
Young woman:
My father is afraid of everybody.
ELIZA:
What else comes to mind when you think of your father?
Young woman:
Bullies.
ELIZA:
Does that have anything to do with the fact that your boyfriend
made you come here?
2
As you can probably tell, ELIZA is little more than a clever mimic, picking up on
certain keywords and throwing your own answers or comments back at you in the
form of new questions or pat psychological observations.
A chatterbot perhaps of more interest to game writers is PARRY, a program that
instead of asking questions answers them, while simulating the personality of a para-
noid. As you read this actual conversation a user reportedly had with PARRY, imag-
ine it taking place in a game environment, with the player as interviewer and Parry
as an NPC in the world.
2
Joseph Weizenbaum,
Computer Power and Human Reason
(New York: Freeman, 1976) 3-4.
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